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authorIngo Molnar <mingo@kernel.org>2012-05-14 14:43:40 +0200
committerIngo Molnar <mingo@kernel.org>2012-05-14 14:43:40 +0200
commit9cba26e66d09bf394ae5a739627a1dc8b7cae6f4 (patch)
treef03743d576a0c7826b9921ad47e70370ebe80a22 /mm/memcontrol.c
parentec83db0f78cd44c3b586ec1c3a348d1a8a389797 (diff)
parent73eff9f56e15598c8399c0b86899fd889b97f085 (diff)
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Merge branch 'perf/uprobes' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/uprobes
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7d698df4a067..b868def9bcc1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2165,7 +2165,7 @@ static int __cpuinit memcg_cpu_hotplug_callback(struct notifier_block *nb,
if (action == CPU_ONLINE)
return NOTIFY_OK;
- if ((action != CPU_DEAD) || action != CPU_DEAD_FROZEN)
+ if (action != CPU_DEAD && action != CPU_DEAD_FROZEN)
return NOTIFY_OK;
for_each_mem_cgroup(iter)
@@ -3392,6 +3392,7 @@ void mem_cgroup_replace_page_cache(struct page *oldpage,
* the newpage may be on LRU(or pagevec for LRU) already. We lock
* LRU while we overwrite pc->mem_cgroup.
*/
+ pc = lookup_page_cgroup(newpage);
__mem_cgroup_commit_charge(memcg, newpage, 1, pc, type, true);
}
@@ -3763,7 +3764,7 @@ move_account:
goto try_to_free;
cond_resched();
/* "ret" should also be checked to ensure all lists are empty. */
- } while (memcg->res.usage > 0 || ret);
+ } while (res_counter_read_u64(&memcg->res, RES_USAGE) > 0 || ret);
out:
css_put(&memcg->css);
return ret;
@@ -3778,7 +3779,7 @@ try_to_free:
lru_add_drain_all();
/* try to free all pages in this cgroup */
shrink = 1;
- while (nr_retries && memcg->res.usage > 0) {
+ while (nr_retries && res_counter_read_u64(&memcg->res, RES_USAGE) > 0) {
int progress;
if (signal_pending(current)) {