diff options
Diffstat (limited to 'kern')
| -rw-r--r-- | kern/slab.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kern/slab.c b/kern/slab.c index 7cb4ee27..ee51f9e9 100644 --- a/kern/slab.c +++ b/kern/slab.c @@ -416,6 +416,9 @@ kmem_pagealloc_virtual(vm_size_t size, vm_size_t align) static void kmem_pagefree_virtual(vm_offset_t addr, vm_size_t size) { + if (addr < kernel_virtual_start || addr + size > kernel_virtual_end) + panic("kmem_pagefree_virtual(%lx-%lx) falls in physical memory area!\n", + (unsigned long) addr, (unsigned long) addr + size); assert(size > PAGE_SIZE); size = vm_page_round(size); kmem_free(kernel_map, addr, size); |