diff options
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index bc60694b4e45..00bedb9b47b6 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2251,12 +2251,9 @@ static void drain_local_stock(struct work_struct *dummy) * Cache charges(val) to local per_cpu area. * This will be consumed by consume_stock() function, later. */ -static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages) +static void __refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages) { struct memcg_stock_pcp *stock; - unsigned long flags; - - local_irq_save(flags); stock = this_cpu_ptr(&memcg_stock); if (stock->cached != memcg) { /* reset if necessary */ @@ -2268,7 +2265,14 @@ static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages) if (stock->nr_pages > MEMCG_CHARGE_BATCH) drain_stock(stock); +} + +static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages) +{ + unsigned long flags; + local_irq_save(flags); + __refill_stock(memcg, nr_pages); local_irq_restore(flags); } @@ -3185,8 +3189,16 @@ static void drain_obj_stock(struct memcg_stock_pcp *stock) unsigned int nr_pages = stock->nr_bytes >> PAGE_SHIFT; unsigned int nr_bytes = stock->nr_bytes & (PAGE_SIZE - 1); - if (nr_pages) - obj_cgroup_uncharge_pages(old, nr_pages); + if (nr_pages) { + struct mem_cgroup *memcg; + + memcg = get_mem_cgroup_from_objcg(old); + + memcg_account_kmem(memcg, -nr_pages); + __refill_stock(memcg, nr_pages); + + css_put(&memcg->css); + } /* * The leftover is flushed to the centralized per-memcg value. |