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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
commit | 93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch) | |
tree | 462cc8c2bc07bbc825dab2a200891a28d8643329 /mm/mmap.c | |
parent | a2d781fc8d9b16113dd9440107d73c0f21d7cbef (diff) | |
parent | 929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff) |
Merge commit 'v2.6.28-rc9' into next
Diffstat (limited to 'mm/mmap.c')
-rw-r--r-- | mm/mmap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 74f4d158022..d4855a682ab 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -175,7 +175,8 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin) /* Don't let a single process grow too big: leave 3% of the size of this process for other processes */ - allowed -= mm->total_vm / 32; + if (mm) + allowed -= mm->total_vm / 32; /* * cast `allowed' as a signed long because vm_committed_space @@ -1703,7 +1704,7 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr) vma = find_vma_prev(mm, addr, &prev); if (vma && (vma->vm_start <= addr)) return vma; - if (expand_stack(prev, addr)) + if (!prev || expand_stack(prev, addr)) return NULL; if (prev->vm_flags & VM_LOCKED) { if (mlock_vma_pages_range(prev, addr, prev->vm_end) < 0) |