summaryrefslogtreecommitdiff
path: root/mm/memcontrol.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index df3e9205c9e6..e090f29eb03b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -287,6 +287,7 @@ ino_t page_cgroup_ino(struct page *page)
rcu_read_unlock();
return ino;
}
+EXPORT_SYMBOL_GPL(page_cgroup_ino);
/* Subset of node_stat_item for memcg stats */
static const unsigned int memcg_node_stat_items[] = {
@@ -2203,7 +2204,7 @@ static unsigned long calculate_high_delay(struct mem_cgroup *memcg,
* try_charge() (context permitting), as well as from the userland
* return path where reclaim is always able to block.
*/
-void mem_cgroup_handle_over_high(gfp_t gfp_mask)
+void __mem_cgroup_handle_over_high(gfp_t gfp_mask)
{
unsigned long penalty_jiffies;
unsigned long pflags;
@@ -2213,9 +2214,6 @@ void mem_cgroup_handle_over_high(gfp_t gfp_mask)
struct mem_cgroup *memcg;
bool in_retry = false;
- if (likely(!nr_pages))
- return;
-
memcg = get_mem_cgroup_from_mm(current->mm);
current->memcg_nr_pages_over_high = 0;
@@ -2486,7 +2484,7 @@ done_restock:
if (current->memcg_nr_pages_over_high > MEMCG_CHARGE_BATCH &&
!(current->flags & PF_MEMALLOC) &&
gfpflags_allow_blocking(gfp_mask))
- mem_cgroup_handle_over_high(gfp_mask);
+ __mem_cgroup_handle_over_high(gfp_mask);
return 0;
}