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authorDavid Rientjes <rientjes@google.com>2012-03-22 00:34:13 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-22 01:54:59 +0100
commit05af2e104a0c282dcd9303431e1360750ba76de6 (patch)
treecdd5876f2d17b26cc3ded7ef85d04d0e853e9b7e /kernel
parenthugepages: fix use after free bug in "quota" handling (diff)
downloadlinux-05af2e104a0c282dcd9303431e1360750ba76de6.tar.xz
linux-05af2e104a0c282dcd9303431e1360750ba76de6.zip
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 'kernel')
-rw-r--r--kernel/exit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 0ed15fed579f..d26acd3c1e2e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -934,7 +934,7 @@ void do_exit(long code)
acct_update_integrals(tsk);
/* sync mm's RSS info before statistics gathering */
if (tsk->mm)
- sync_mm_rss(tsk, tsk->mm);
+ sync_mm_rss(tsk->mm);
group_dead = atomic_dec_and_test(&tsk->signal->live);
if (group_dead) {
hrtimer_cancel(&tsk->signal->real_timer);