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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 /mm/mremap.c | |
| parent | df858fa8276f85106f2f5c3cd49c1fa524058070 (diff) | |
| download | lwn-44de9d0cad41f2c51ef26916842be046b582dcc9.tar.gz lwn-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 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 21fed202ddad..cc06d0e48d05 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -260,7 +260,6 @@ static unsigned long move_vma(struct vm_area_struct *vma, * If this were a serious issue, we'd add a flag to do_munmap(). */ hiwater_vm = mm->hiwater_vm; - mm->total_vm += new_len >> PAGE_SHIFT; vm_stat_account(mm, vma->vm_flags, vma->vm_file, new_len>>PAGE_SHIFT); if (do_munmap(mm, old_addr, old_len) < 0) { @@ -497,7 +496,6 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, goto out; } - mm->total_vm += pages; vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages); if (vma->vm_flags & VM_LOCKED) { mm->locked_vm += pages; |