diff options
Diffstat (limited to 'libpager/data-request.c')
| -rw-r--r-- | libpager/data-request.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libpager/data-request.c b/libpager/data-request.c index b160ea9c..7f9e55f9 100644 --- a/libpager/data-request.c +++ b/libpager/data-request.c @@ -35,6 +35,7 @@ _pager_seqnos_memory_object_data_request (mach_port_t object, error_t err; vm_address_t page; int write_lock; + struct anticipation *ant; p = ports_lookup_port (0, object, _pager_class); if (!p) @@ -72,6 +73,16 @@ _pager_seqnos_memory_object_data_request (mach_port_t object, goto allow_term_out; } + ant = _pager_check_anticipations (p, length, offset); + if (ant) + { + memory_object_data_supply (p->memobjcntl, offset, ant->address, + length, 0, VM_PROT_NONE, 0, MACH_PORT_NULL); + + free (ant); + goto allow_term_out; + } + _pager_pagemap_resize (p, offset + length); /* If someone is paging this out right now, the disk contents are |