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| author | Huang Shijie <shijie8@gmail.com> | 2012-07-31 16:41:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-31 18:42:39 -0700 |
| commit | 44de9d0cad41f2c51ef26916842be046b582dcc9 (patch) | |
| tree | a9ce576f28e5038e9e3ae2e360cadf176dc74898 /kernel/fork.c | |
| parent | df858fa8276f85106f2f5c3cd49c1fa524058070 (diff) | |
| download | blackbird-obmc-linux-44de9d0cad41f2c51ef26916842be046b582dcc9.tar.gz blackbird-obmc-linux-44de9d0cad41f2c51ef26916842be046b582dcc9.zip | |
mm: account the total_vm in the vm_stat_account()
vm_stat_account() accounts the shared_vm, stack_vm and reserved_vm now.
But we can also account for total_vm in the vm_stat_account() which makes
the code tidy.
Even for mprotect_fixup(), we can get the right result in the end.
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 8efac1fe56bc..aaa8813c45d1 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -381,10 +381,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) struct file *file; if (mpnt->vm_flags & VM_DONTCOPY) { - long pages = vma_pages(mpnt); - mm->total_vm -= pages; vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file, - -pages); + -vma_pages(mpnt)); continue; } charge = 0; |
