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| author | David S. Miller <davem@davemloft.net> | 2010-05-12 11:05:35 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-12 11:05:35 +0400 |
| commit | 278554bd6579206921f5d8a523649a7a57f8850d (patch) | |
| tree | 4e6c527daf0910e455b3aa72e2c96b0479e430be /mm/memcontrol.c | |
| parent | 5a147e8bf982f9dd414c1dd751fe02c1942506b2 (diff) | |
| parent | cea0d767c29669bf89f86e4aee46ef462d2ebae8 (diff) | |
| download | linux-278554bd6579206921f5d8a523649a7a57f8850d.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/wireless/ath/ar9170/usb.c
drivers/scsi/iscsi_tcp.c
net/ipv4/ipmr.c
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index f4ede99c8b9b..8a79a6f0f029 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1601,7 +1601,6 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm, * There is a small race that "from" or "to" can be * freed by rmdir, so we use css_tryget(). */ - rcu_read_lock(); from = mc.from; to = mc.to; if (from && css_tryget(&from->css)) { @@ -1622,7 +1621,6 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm, do_continue = (to == mem_over_limit); css_put(&to->css); } - rcu_read_unlock(); if (do_continue) { DEFINE_WAIT(wait); prepare_to_wait(&mc.waitq, &wait, @@ -2429,11 +2427,11 @@ int mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr) } unlock_page_cgroup(pc); + *ptr = mem; if (mem) { - ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, &mem, false); + ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, ptr, false); css_put(&mem->css); } - *ptr = mem; return ret; } |