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authorDavid Rientjes <rientjes@google.com>2012-03-21 16:34:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 17:54:59 -0700
commit05af2e104a0c282dcd9303431e1360750ba76de6 (patch)
treecdd5876f2d17b26cc3ded7ef85d04d0e853e9b7e /fs/exec.c
parent90481622d75715bfcb68501280a917dbfe516029 (diff)
downloadop-kernel-dev-05af2e104a0c282dcd9303431e1360750ba76de6.zip
op-kernel-dev-05af2e104a0c282dcd9303431e1360750ba76de6.tar.gz
mm, counters: remove task argument to sync_mm_rss() and __sync_task_rss_stat()
sync_mm_rss() can only be used for current to avoid race conditions in iterating and clearing its per-task counters. Remove the task argument for it and its helper function, __sync_task_rss_stat(), to avoid thinking it can be used safely for anything other than current. Signed-off-by: David Rientjes <rientjes@google.com> Acked-by: 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/exec.c')
-rw-r--r--fs/exec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 3908544..6ed164d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -824,7 +824,7 @@ static int exec_mmap(struct mm_struct *mm)
/* Notify parent that we're no longer interested in the old VM */
tsk = current;
old_mm = current->mm;
- sync_mm_rss(tsk, old_mm);
+ sync_mm_rss(old_mm);
mm_release(tsk, old_mm);
if (old_mm) {
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