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| author | Oleg Nesterov <oleg@redhat.com> | 2011-07-26 16:08:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 16:49:44 -0700 |
| commit | 32e107f71e4a993ac438f0049aa4019457911ffb (patch) | |
| tree | 3c022205c424db5d614448f5de1fbd8d9a485e89 /fs | |
| parent | b4edf8bd06916645b57df23a720b17cae4051c43 (diff) | |
| download | op-kernel-dev-32e107f71e4a993ac438f0049aa4019457911ffb.zip op-kernel-dev-32e107f71e4a993ac438f0049aa4019457911ffb.tar.gz | |
fs/exec.c:acct_arg_size(): ptl is no longer needed for add_mm_counter()
acct_arg_size() takes ->page_table_lock around add_mm_counter() if
!SPLIT_RSS_COUNTING. This is not needed after commit 172703b08cd0 ("mm:
delete non-atomic mm counter implementation").
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/exec.c | 7 |
1 files changed, 0 insertions, 7 deletions
@@ -181,14 +181,7 @@ static void acct_arg_size(struct linux_binprm *bprm, unsigned long pages) return; bprm->vma_pages = pages; - -#ifdef SPLIT_RSS_COUNTING - add_mm_counter(mm, MM_ANONPAGES, diff); -#else - spin_lock(&mm->page_table_lock); add_mm_counter(mm, MM_ANONPAGES, diff); - spin_unlock(&mm->page_table_lock); -#endif } static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, |
