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authorHuang Shijie <shijie8@gmail.com>2012-07-31 16:41:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 18:42:39 -0700
commit44de9d0cad41f2c51ef26916842be046b582dcc9 (patch)
treea9ce576f28e5038e9e3ae2e360cadf176dc74898 /kernel
parentdf858fa8276f85106f2f5c3cd49c1fa524058070 (diff)
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')
-rw-r--r--kernel/fork.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 8efac1fe56b..aaa8813c45d 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;