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* vm: move forward declarations into a header fileMarin Ramesa2013-11-242-16/+17
| | | | | * vm/vm_map.c (vm_map_delete, vm_map_copyout_page_list, vm_map_copy_page_discard, vm_map_lookup_entry): Remove forward declarations. * vm/vm_map.h (vm_map_delete, vm_map_copyout_page_list, vm_map_copy_page_discard, vm_map_lookup_entry): Add prototypes.
* vm: move forward declarations into a header fileMarin Ramesa2013-11-242-10/+10
| | | | | * vm/vm_object.c (memory_object_release, vm_object_deactivate_pages, vm_object_copy_delayed): Remove forward declarations. * vm/vm_object.h (memory_object_release, vm_object_deactivate_pages, vm_object_copy_delayed): Add prototypes.
* Remove leftover register qualifiersMarin Ramesa2013-11-242-4/+4
| | | | | | | | | | | | | | | * ddb/db_break.c: Remove register qualifiers. * i386/i386/pcb.c: Likewise. * i386/i386at/com.c: Likewise. * i386/i386at/lpr.c: Likewise. * i386/intel/pmap.c: Likewise. * kern/machine.c: Likewise. * kern/queue.h: Likewise. * kern/sched_prim.c: Likewise. * kern/sched_prim.h: Likewise. * kern/timer.c: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_resident.h: Likewise.
* Add copyrightMarin Ramesa2013-11-191-0/+18
| | | | | | * ddb/db_write_cmd.h: Add copyright. * ipc/ipc_print.h: Likewise. * vm/vm_print.h: Likewise.
* i386/i386/vm_tuning.h: remove fileMarin Ramesa2013-11-151-1/+0
| | | | | | * i386/Makefrag.am: Remove i386/i386/vm_tuning.h. * i386/i386/vm_tuning.h: Remove file. * vm/vm_pageout.c: Don't include i386/i386/vm_tuning.h.
* vm/vm_user.c: remove register qualifiersMarin Ramesa2013-11-151-10/+8
| | | | * vm/vm_user.c: Remove register qualifiers.
* vm/vm_resident.c: remove register qualifiersMarin Ramesa2013-11-151-43/+43
| | | | * vm/vm_resident.c: Remove register qualifiers.
* vm/vm_pageout.c: remove register qualifiersMarin Ramesa2013-11-151-12/+12
| | | | * vm/vm_pageout.c: Remove register qualifiers.
* vm/vm_object.c: remove register qualifiersMarin Ramesa2013-11-151-42/+35
| | | | * vm/vm_object.c: Remove register qualifiers.
* vm/vm_map.c: remove register qualifiersMarin Ramesa2013-11-151-111/+87
| | | | * vm/vm_map.c: Remove register qualifiers.
* vm/vm_map.c: trivial stylistic fix for consistencyMarin Ramesa2013-11-151-1/+1
| | | | * vm/vm_map.c: Trivial stylistic fix for consistency.
* vm/vm_kern.c: remove register qualifiersMarin Ramesa2013-11-151-12/+10
| | | | * vm/vm_kern.c: Remove register qualifiers.
* vm/vm_fault.c: remove register qualifiersMarin Ramesa2013-11-151-23/+17
| | | | * vm/vm_fault.c: Remove register qualifiers.
* vm/vm_fault.c: remove unused variableMarin Ramesa2013-11-151-2/+0
| | | | * vm/vm_fault.c: Remove unused variable.
* vm/memory_object_proxy.h: fix definitionMarin Ramesa2013-11-151-2/+2
| | | | * vm/memory_object_proxy.h (_VM_MEMORY_OBJECT_PROXY_H_): Fix definition.
* vm/memory_object.c: remove register qualifiersMarin Ramesa2013-11-151-12/+8
| | | | * vm/memory_object.c: Remove register qualifiers.
* Remove lint codeMarin Ramesa2013-11-092-17/+0
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* Increase kernel map entry pool sizeRichard Braun2013-10-101-1/+1
| | | | * vm/vm_map.h (KENTRY_DATA_SIZE): Set to 256 pages.
* vm: organize vm print function prototypesMarin Ramesa2013-07-186-5/+25
| | | | | | | | | | | | | | | | | * vm/vm_print.h: New file. Include <vm/vm_map.h>. Include <machine/db_machdep.h>. (vm_map_print): Add prototype. (vm_map_copy_print): Likewise. (vm_object_print): Likewise. (vm_page_print): Likewise. Include <vm/vm_object.h>. Include <vm/vm_page.h> * vm/vm_map.h (vm_map_print): Remove prototype. * vm/vm_map.c [MACH_KDB]: Include <vm/vm_print.h>. * vm/vm_object.h (vm_object_print): Remove prototype. * vm/vm_object.c [MACH_KDB]: Include <vm/vm_print.h>. * vm/vm_resident.c [MACH_KDB]: Include <vm/vm_print.h>.
* Fix format warningsMiguel Figueiredo2013-06-041-1/+1
| | | | | | * vm/vm_resident.c (pmap_startup): Fix printf format. * xen/block.c (hyp_block_init, device_write): Likewise. * xen/net.c (hyp_net_init): Likewise.
* Fix task stats incrementationsSamuel Thibault2013-01-131-3/+3
| | | | | * vm/vm_fault.c (vm_fault_page): Properly increment current_task()->zero_fills and cow_faults.
* Add statistics for task_events_infoDavid Höppner2013-01-132-0/+8
| | | | | | | | | | | | | | * ipc/ipc_mqueue.c (ipc_mqueue_send, ipc_mqueue_receive): Increment counters for message sent and received. * kern/ipc_kobject.c (ipc_kobject_server): Increment sent and received counters for the kernel task. * kern/task.c (task_create): Zero statistics. * kern/task.c (task_info): Add task_events_info call. * kern/task.h: Add statistics. * vm/vm_fault.c (vm_fault_page): Increment zero_fills, pageins, reactivations and cow_faults counters. * vm/vm_fault.c (vm_fault_wire_fast): Increment faults counters. * vm/vm_pageout.c (vm_pageout_scan): Increment reactivations counter.
* Double KENTRY_DATA_SIZESamuel Thibault2013-01-061-1/+2
| | | | * vm/vm_map.h (KENTRY_DATA_SIZE): Bump from 32 pages to 64 pages.
* Fix compilation warning implicit function declaration kdbprintfDavid Höppner2013-01-043-0/+14
| | | | | | | | | | | | | When kernel debugger support is requested ipc and vm need the prototype for the debugger function kdbprintf. * ddb/db_output.h: Add prototype for kdbprintf. * ipc/ipc_object.c: Add include file ddb/db_output.h * ipc/ipc_port.c: Likewise. * ipc/ipc_pset.c: Likewise. * vm/vm_map.c: Likewise. * vm/vm_object.c: Likewise. * vm/vm_resident.c: Likewise.
* Fix calls to vm_map when size is 0Richard Braun2012-11-202-0/+6
| | | | | * vm/vm_map.c (vm_map_enter): return KERN_INVALID_ARGUMENT if size is 0. * vm/vm_user.c (vm_map): Likewise.
* Provide basic page cache statisticsRichard Braun2012-09-235-2/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefrag.am (EXTRA_DIST): Add kern/gnumach.srv. (include_mach_HEADERS): Add include/mach/gnumach.defs and include/mach/vm_cache_statistics.h (nodist_libkernel_a_SOURCES): Add kern/gnumach.server.defs.c, kern/gnumach.server.h, kern/gnumach.server.c, kern/gnumach.server.msgids, kern/gnumach.server.defs. * include/mach/mach_types.h: Add #include <mach/vm_cache_statistics.h>. * kern/ipc_kobject.c (ipc_kobject_server): Declare and call gnumach_server_routine. * vm/vm_object.c (vm_object_cached_pages): New variable. (vm_object_cached_pages_lock_data): Likewise. (vm_object_deallocate): Update number of cached pages. (vm_object_lookup): Likewise. (vm_object_lookup_name): Likewise. (vm_object_destroy): Likewise. (vm_object_enter): Likewise. * vm/vm_object.h (ref_count): Declare as int. (resident_page_count): Likewise. (vm_object_cached_count): Add extern declaration. (vm_object_cached_pages): Likewise. (vm_object_cached_pages_lock_data): Likewise. (vm_object_cached_pages_update): New macro. * vm/vm_resident.c (vm_page_insert): Assert resident page count doesn't overflow, update number of cached pages as appropriate. (vm_page_replace): Likewise. (vm_page_remove): Update number of cached pages as appropriate. * vm/vm_user.c: Add #include <mach/vm_cache_statistics.h>. (vm_cache_statistics): New function. * vm/vm_user.h: Add #include <mach/mach_types.h>. (vm_cache_statistics): New declaration. * include/mach/gnumach.defs: New file.
* Augment VM maps with a red-black treeRichard Braun2012-04-272-52/+76
| | | | | | | | | | | | | | | | | * vm/vm_map.c: Add #include <kern/rbtree.h>. (vm_map_setup): Initialize the map red-black tree. (vm_map_entry_cmp_lookup): New function. (vm_map_entry_cmp_insert): Likewise. (_vm_map_entry_link): Insert map entry in the red-black tree. (_vm_map_entry_unlink): Remove map entry from the red-black tree. (vm_map_lookup_entry): Rework the way the VM map hint is used, and replace the linear search with a binary search tree lookup. (vm_map_copy_insert): Move map entries from the map copy tree to the destination map tree. (vm_map_copyin): Initialize the map copy red-black tree. * vm/vm_map.h: Add #include <kern/rbtree.h>. (vm_map_entry): Add `tree_node' member. (vm_map_header): Add `tree' member.
* Use unsigned long for addresses and sizesSamuel Thibault2012-03-094-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TODO: remonter formats * i386/include/mach/i386/vm_types.h (vm_offset_t): Define to unsigned long. (signed32_t): Define to signed int. (unsigned32_t): Define to unsigned int. * i386/include/mach/sa/stdarg.h (__va_size): Use sizeof(unsigned long)-1 instead of 3. * include/mach/port.h (mach_port_t): Define to vm_offset_t instead of natural_t. * include/sys/types.h (size_t): Define to unsigned long instead of natural_t. * linux/src/include/asm-i386/posix_types.h (__kernel_size_t): Define to unsigned long. (__kernel_ssize_t): Define to long. * linux/src/include/linux/stddef.h (size_t): Define to unsigned long. * device/dev_pager.c (dev_pager_hash): Cast port to vm_offset_t insted of natural_t. (device_pager_data_request): Fix format. * device/ds_routines.c (ds_no_senders): Fix format. * i386/i386/io_map.c (io_map): Likewise. * i386/i386at/autoconf.c (take_dev_irq): Likewise. * i386/i386at/com.c (comattach): Likewise. * i386/i386at/lpr.c (lprattach): Likewise. * i386/i386at/model_dep.c (mem_size_init, mem_size_init, c_boot_entry): Likewise. * i386/intel/pmap.c (pmap_enter): Likewise. * ipc/ipc_notify.c (ipc_notify_port_deleted, ipc_notify_msg_accepted, ipc_notify_dead_name): Likewise. * ipc/mach_port.c (mach_port_destroy, mach_port_deallocate): Likewise. * kern/ipc_kobject.c (ipc_kobject_destroy): Likewise. * kern/slab.c (kalloc_init): Likewise. * vm/vm_fault.c (vm_fault_page): Likewise. * vm/vm_map.c (vm_map_pmap_enter): Likewise. * xen/block.c (device_read): Likewise. * device/net_io.c (bpf_match): Take unsigned long * instead of unsigned int *. (bpf_do_filter): Make mem unsigned long instead of long. * i386/i386/ktss.c (ktss_init): Cast pointer to unsigned long instead of unsigned. * i386/i386/pcb.c (stack_attach, switch_ktss): Cast pointers to long instead of int. * i386/i386/trap.c (dump_ss): Likewise. * ipc/ipc_hash.c (IH_LOCAL_HASH): Cast object to vm_offset_t. * ipc/mach_msg.c (mach_msg_receive, mach_msg_receive_continue): Cast kmsg to vm_offset_t instead of natural_t. * kern/pc_sample.c (take_pc_sample): Cast to vm_offset_t instead of natural_t. * kern/boot_script.c (sym, arg): Set type of `val' field to long instead of int. (create_task, builtin_symbols, boot_script_parse_line, boot_script_define_function): Cast to long instead of int. * kern/bootstrap.c (bootstrap_create): Likewise. * kern/sched_prim.c (decl_simple_lock_data): Likewise. * kern/printf.c (vsnprintf): Set size type to size_t. * kern/printf.h (vsnprintf): Likewise. * vm/vm_map.h (kentry_data_size): Fix type to vm_size_t. * vm/vm_object.c (vm_object_pmap_protect_by_page): Fix size parameter type to vm_size_t.
* Move kentry_data_size initial value to headerSamuel Thibault2012-03-082-1/+3
| | | | | * vm/vm_map.h (KENTRY_DATA_SIZE): Define macro. * vm/vm_map.c (kentry_data_size): Initialize to KENTRY_DATA_SIZE.
* Remove arbitrary limits used by the zone systemRichard Braun2011-12-172-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The zone allocator could limit the size of its zones to an arbitrary value set at zinit() time. There is no such parameter with the slab module. As a result of removing those limits, the kern/mach_param.h header becomes empty, and is simply removed altogether. * Makefrag.am (libkernel_a_SOURCES): Remove kern/mach_param.h. * i386/i386/fpu.c: Remove #include <kern/mach_param.h>. * i386/i386/machine_task.c: Likewise. * i386/i386/pcb.c: Likewise. * ipc/ipc_init.c: Likewise. (ipc_space_max): Remove variable. (ipc_tree_entry_max): Likewise. (ipc_port_max): Likewise. (ipc_pset_max): Likewise. * ipc/ipc_init.h (IPC_ZONE_TYPE): Remove macro. (ipc_space_max): Remove extern declaration. (ipc_tree_entry_max): Likewise. (ipc_port_max): Likewise. (ipc_pset_max): Likewise. * ipc/ipc_hash.c (ipc_hash_init): Don't use ipc_tree_entry_max to compute ipc_hash_global_size. * ipc/ipc_marequest.c: Remove #include <kern/mach_param.h>. (ipc_marequest_max): Remove variable. (ipc_marequest_init): Don't use ipc_marequest_max to compute ipc_marequest_size. (ipc_marequest_info): Return (unsigned int)-1 in maxp. * kern/act.c: Remove #include <kern/mach_param.h>. * kern/mach_clock.c: Likewise. * kern/priority.c: Likewise. * kern/task.c: Likewise. * kern/thread.c: Likewise. * vm/memory_object_proxy.c: Likewise. * vm/vm_fault.c: Likewise.
* Fix kern/kalloc.h includesRichard Braun2011-12-171-0/+1
| | | | | | | | | | | | | | | | | * device/dev_pager.c: Remove #include <kern/kalloc.h>. * i386/i386/io_perm.c: Add #include <kern/kalloc.h>. * kern/bootstrap.c: Likewise. * kern/ipc_tt.c: Likewise. * kern/pc_sample.c: Likewise. * kern/processor.c: Likewise. * kern/server_loop.ch: Likewise. * kern/thread.c: Likewise. * linux/dev/glue/block.c: Likewise. * linux/dev/glue/net.c: Likewise. * vm/vm_map.c: Likewise. * xen/block.c: Likewise. * xen/net.c: Likewise. * xen/store.c: Likewise.
* Adjust VM initializationRichard Braun2011-12-176-86/+111
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unlike the zone allocator, the slab code can't be fed with an initial chunk of memory. Some VM objects used early during startup now have to be statically allocated, and kernel map entries need a special path to avoid recursion when being allocated. * vm/vm_map.c (vm_submap_object_store): New variable. (vm_submap_object): Point to vm_submap_object_store. (kentry_data_size): Initialize to arbitrary value. (kentry_count): Remove variable. (kentry_pagealloc): New function. (vm_map_setup): Likewise. (vm_map_create): Replace initialization with a call to vm_map_setup(). * vm/vm_map.h (vm_map_setup): New prototype. * vm/vm_kern.c (kernel_map_store): New variable. (kernel_map): Point to kernel_map_store. (kmem_suballoc): Remove function. Replaced with... (kmem_submap): New function. (kmem_init): Call vm_map_setup() instead of vm_map_create(). * vm/vm_kern.h (kmem_suballoc): Remove prototype. (kmem_submap): New prototype. * vm/vm_object.c (kernel_object_store): New variable. (kernel_object): Point to kernel_object_store. (vm_object_template): Change type from vm_object_t to struct vm_object. (_vm_object_setup): New function. (_vm_object_allocate): Replace initialization with a call to _vm_object_setup(). (vm_object_bootstrap): Don't allocate vm_object_template, and use it as a structure instead of a pointer. Initialize kernel_object and vm_submap_object with _vm_object_setup() instead of _vm_object_allocate(). * vm/vm_resident.c (vm_page_bootstrap): Don't initialize kentry_data_size. * device/ds_routines.c (device_io_map_store): New variable. (device_io_map): Point to device_io_map_store. (mach_device_init): Call kmem_submap() instead of kmem_suballoc(). * ipc/ipc_init.c (ipc_kernel_map_store): New variable. (ipc_kernel_map): Point to ipc_kernel_map_store.
* Adjust the kernel to use the slab allocatorRichard Braun2011-12-179-136/+105
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * device/dev_lookup.c: Replace zalloc header, types and function calls with their slab counterparts. * device/dev_pager.c: Likewise. * device/ds_routines.c: Likewise. * device/io_req.h: Likewise. * device/net_io.c: Likewise. * i386/i386/fpu.c: Likewise. * i386/i386/io_perm.c: Likewise. * i386/i386/machine_task.c: Likewise. * i386/i386/pcb.c: Likewise. * i386/i386/task.h: Likewise. * i386/intel/pmap.c: Likewise. * i386/intel/pmap.h: Remove #include <kernel/zalloc.h>. * include/mach_debug/mach_debug.defs (host_zone_info): Replace routine declaration with skip directive. (host_slab_info): New routine declaration. * include/mach_debug/mach_debug_types.defs (zone_name_t) (zone_name_array_t, zone_info_t, zone_info_array_t): Remove types. (cache_info_t, cache_info_array_t): New types. * include/mach_debug/mach_debug_types.h: Replace #include <mach_debug/zone_info.h> with <mach_debug/slab_info.h>. * ipc/ipc_entry.c: Replace zalloc header, types and function calls with their slab counterparts. * ipc/ipc_entry.h: Likewise. * ipc/ipc_init.c: Likewise. * ipc/ipc_marequest.c: Likewise. * ipc/ipc_object.c: Likewise. * ipc/ipc_object.h: Likewise. * ipc/ipc_space.c: Likewise. * ipc/ipc_space.h: Likewise. * ipc/ipc_table.c (kalloc_map): Remove extern declaration. * kern/act.c: Replace zalloc header, types and function calls with their slab counterparts. * kern/kalloc.h: Add #include <vm/vm_types.h>. (MINSIZE): Remove definition. (kalloc_map): Add extern declaration. (kget): Remove prototype. * kern/mach_clock.c: Adjust comment. * kern/processor.c: Replace zalloc header, types and function calls with their slab counterparts. * kern/startup.c: Remove #include <kernel/zalloc.h>. * kern/task.c: Replace zalloc header, types and function calls with their slab counterparts. * kern/thread.c: Likewise. * vm/memory_object_proxy.c: Likewise. * vm/vm_external.c: Likewise. * vm/vm_fault.c: Likewise. * vm/vm_init.c: Likewise. * vm/vm_map.c: Likewise. * vm/vm_object.c: Likewise. * vm/vm_page.h: Remove #include <kernel/zalloc.h>. * vm/vm_pageout.c: Replace zalloc header, types and function calls with their slab counterparts. * vm/vm_resident.c: Likewise. (zdata, zdata_size): Remove declarations. (vm_page_bootstrap): Don't steal memory for the zone system.
* Further prototyping work for memory_object_proxy.c functions.Thomas Schwinge2011-09-063-13/+31
| | | | | | | | | | * vm/memory_object_proxy.h: Add #includes. (memory_object_proxy_lookup): New declaration. * vm/memory_object_proxy.c: #include <vm/memory_object_proxy.h>. * vm/vm_user.c: Likewise. (memory_object_proxy_lookup): Drop declaration. Parts based on a patch by Fridolín Pokorný <fridolin.pokorny@gmail.com>.
* Free memory used by boot modulesSamuel Thibault2011-09-051-0/+5
| | | | | | | * vm/vm_resident.c (pmap_startup): Warn when some pages could not be included in the allocator due to bad estimation. * kern/bootstrap.c: Include <vm/pmap.h>. (bootstrap_create): Call vm_page_create on bootstrap modules content.
* Add prototypes for memory_object_proxy.c functionsFridolín Pokorný2011-09-032-1/+29
| | | | | | | * vm/memory_object_proxy.h: Add file. * vm/vm_init.c: Include <vm/memory_object_proxy.h>. * kern/ipc_kobject.c: Likewise. * Makefile.am (libkernel_a_SOURCES): Add vm/memory_object_proxy.h.
* Remove long obsolete RPC routinesGuillem Jover2011-09-021-28/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * kern/compat_xxx_defs.h: Remove file. * Makefrag.am (libkernel_a_SOURCES): Remove `kern/compat_xxx_defs.h'. * include/mach/mach_types.defs (xxx_emulation_vector_t): Remove type. * device/device.srv: Do not simport <kern/compat_xxx_defs.h>. * kern/mach.srv: Likewise. * kern/mach_host.srv: Likewise. * include/device/device.defs [MACH_KERNEL]: Do not simport <kern/compat_xxx_defs.h>. (xxx_device_set_status, xxx_device_get_status) (xxx_device_set_filter): Replace routine declarations with skip directives. * include/mach/mach.defs [MACH_KERNEL]: Do not simport <kern/compat_xxx_defs.h>. (xxx_memory_object_lock_request, xxx_task_get_emulation_vector) (xxx_task_set_emulation_vector, xxx_host_info, xxx_slot_info) (xxx_cpu_control, xxx_task_info, xxx_thread_get_state) (xxx_thread_set_state, xxx_thread_info): Replace routine declarations with skip directive. * include/mach/mach_host.defs [MACH_KERNEL]: Do not simport <kern/compat_xxx_defs.h>. (yyy_host_info, yyy_processor_info, yyy_processor_control) (xxx_processor_set_default_priv, yyy_processor_set_info): Replace routine declarations with skip directive. * kern/ipc_host.c (xxx_processor_set_default_priv): Remove function. * kern/machine.c (xxx_host_info, xxx_slot_info) (xxx_cpu_control): Likewise. * kern/syscall_emulation.c (xxx_task_set_emulation_vector) (xxx_task_get_emulation_vector): Likewise. * vm/memory_object.c (xxx_memory_object_lock_request): Likewise.
* Initialize the new map entry when it's a projected bufferGuillem Jover2011-08-271-1/+2
| | | | | * vm/vm_map.c (vm_map_fork): Call vm_map_entry_create for projected_on buffers too.
* Remove unused variablesGuillem Jover2011-08-271-1/+0
| | | | | | | | | | | * vm/memory_object_proxy.c (memory_object_create_proxy): Remove unused `kr' variable. * linux/dev/glue/block.c (free_buffer): Remove unused `i' variable. (register_blkdev): Remove unused `err' variable. (unregister_blkdev): Likewise. (bread): Likewise. (init_partition): Likewise. * linux/dev/glue/net.c (device_write): Likewise.
* Add header for printf prototypeGuillem Jover2011-08-271-0/+1
| | | | * vm/memory_object_proxy.c: Include <kern/printf.h>.
* Do not warn on vm_map_enter with fixed address failingSamuel Thibault2011-05-091-12/+4
| | | | | * vm/vm_map.c (vm_map_enter): Warn about missing room in map only if anywhere is set.
* Warn once when part of the kernel is lacking spaceSamuel Thibault2011-04-221-7/+24
| | | | | | | * ipc/ipc_entry.c (ipc_entry_get, ipc_entry_grow_table): Warn when returning KERN_NO_SPACE. * vm/vm_map.c (vm_map_find_entry, vm_map_enter, vm_map_copyout, vm_map_copyout_page_list): Warn when returning KERN_NO_SPACE.
* Warn once when part of the kernel is lacking memorySamuel Thibault2011-04-202-1/+10
| | | | | | | | | | | * kern/printf.h (printf_once): New macro. * ipc/mach_port.c (mach_port_names, mach_port_get_set_status): Warn when returning KERN_RESOURCE_SHORTAGE. * vm/vm_kern.c: Include printf.h. (kmem_alloc, kmem_realloc, kmem_alloc_wired, kmem_alloc_aligned, kmem_alloc_pageable): Warn when failing. * vm/vm_resident.c (vm_page_grab_contiguous_pages): Warn when returning KERN_RESOURCE_SHORTAGE.
* Add a SoftDebugger functionSamuel Thibault2009-12-211-1/+1
| | | | | | | | | | | | | | | | | * kern/debug.h (SoftDebugger): Add prototype. * kern/debug.c (Debugger): Move code invoking debugging trap to... (SoftDebugger): ... new function. Print the passed message. * kern/lock_mon.c (decl_simple_lock_data, retry_bit_lock): Call SoftDebugger instead of Debugger. * device/ds_routines.c (ds_device_open, device_read, device_read_inband): Call SoftDebugger instead of Debugger. * i386/i386at/model_dep.c (c_boot_entry): Call SoftDebugger instead of Debugger. * kern/syscall_sw.c (null_port, kern_invalid): Call SoftDebugger instead of Debugger. * vm/vm_object.c (vm_object_collapse): Call SoftDebugger instead of Debugger.
* Add missing castsGuillem Jover2009-12-181-2/+2
| | | | | * vm/vm_resident.c (vm_page_grab_contiguous_pages): Cast `prevmemp' assignement to vm_page_t.
* Fix commit d088a062Samuel Thibault2009-11-281-0/+200
| | | | * vm/memory_object_proxy.c: New file.
* Add memory object proxiesSamuel Thibault2009-11-282-1/+23
| | | | | | | | | | | | | | | | | | | | | | Memory object proxies permit to replicate objects with different parameters, like reduced privileged, different offset, etc. They are e.g. essential for properly managing memory access permissions. 2005-06-06 Marcus Brinkmann <marcus@gnu.org> * include/mach/mach4.defs: Add memory_object_create_proxy interface. * Makefile.in (vm-cfiles): Add memory_object_proxy.c. * i386/include/mach/i386/vm_types.h (vm_offset_array_t): New type. * include/mach/memory_object.h (memory_object_array_t): New type. * vm/memory_object_proxy.c: New file. * kern/ipc_kobject.h: New macro IKOT_PAGER_PROXY. Bump up macros IKOT_UNKNOWN and IKOT_MAX_TYPE. * kern/ipc_kobject.c (ipc_kobject_notify): Call memory_object_proxy_notify for IKOT_PAGER_PROXY. * vm/vm_init.c (vm_mem_init): Call memory_object_proxy_init. * vm/vm_user.c (vm_map): Implement support for proxy memory objects.
* Fix a bug in vm_page_grab_contiguous_pages.Zheng Da2009-11-111-5/+4
| | | | * vm/vm_resident.c (vm_page_grab_contiguous_pages): Maintain the free vm page queue correctly.
* Fix warningsSamuel Thibault2009-10-201-2/+0
| | | | | * vm/vm_resident.c (vm_page_grab_contiguous_pages): Remove unused count_zeroes and not_found_em labels.
* Fix warningSamuel Thibault2009-10-201-1/+0
| | | | * vm/vm_pageout.c (vm_pageout_scan): Remove unused Restart label.
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