diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 4a9dfc83643d..971d7b643f6e 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2276,12 +2276,11 @@ cleanup: } /* - * Currently used to update mapped file statistics, but the routine can be - * generalized to update other statistics as well. + * Used to update mapped file or writeback or other statistics. * * Notes: Race condition * - * We usually use page_cgroup_lock() for accessing page_cgroup member but + * We usually use lock_page_cgroup() for accessing page_cgroup member but * it tends to be costly. But considering some conditions, we doesn't need * to do so _always_. * @@ -2295,8 +2294,8 @@ cleanup: * by flags. * * Considering "move", this is an only case we see a race. To make the race - * small, we check mm->moving_account and detect there are possibility of race - * If there is, we take a lock. + * small, we check memcg->moving_account and detect there are possibility + * of race or not. If there is, we take a lock. */ void __mem_cgroup_begin_update_page_stat(struct page *page, |