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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2011-04-20 23:35:42 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2011-04-20 23:40:16 +0200 |
| commit | 67d4e8403fe12592f99cf6fc51e4f33684899d6b (patch) | |
| tree | c4f8ed13d12ab04e067d396dd3c39b6afeadeb1a /vm/vm_resident.c | |
| parent | a44f51203c43bb4306a225506075740cdacaccfa (diff) | |
Warn once when part of the kernel is lacking memory
* 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.
Diffstat (limited to 'vm/vm_resident.c')
| -rw-r--r-- | vm/vm_resident.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/vm/vm_resident.c b/vm/vm_resident.c index b23e0f3..a633498 100644 --- a/vm/vm_resident.c +++ b/vm/vm_resident.c @@ -976,6 +976,7 @@ vm_page_grab_contiguous_pages( if ((vm_page_free_count < vm_page_free_reserved) || (vm_page_external_count >= vm_page_external_limit)) { + printf_once("no more room for vm_page_grab_contiguous_pages"); simple_unlock(&vm_page_queue_free_lock); return KERN_RESOURCE_SHORTAGE; } @@ -1064,6 +1065,7 @@ count_ones: */ simple_unlock(&vm_page_queue_free_lock); + printf_once("no contiguous room for vm_page_grab_contiguous_pages"); ret = KERN_RESOURCE_SHORTAGE; goto out; |