diff options
| -rw-r--r-- | include/linux/sched.h | 4 | ||||
| -rw-r--r-- | mm/memcontrol.c | 18 |
2 files changed, 12 insertions, 10 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 4b601be3dace..98fc7ed4b191 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1524,8 +1524,8 @@ struct task_struct { struct memcg_batch_info { int do_batch; /* incremented when batch uncharge started */ struct mem_cgroup *memcg; /* target memcg of uncharge */ - unsigned long bytes; /* uncharged usage */ - unsigned long memsw_bytes; /* uncharged mem+swap usage */ + unsigned long nr_pages; /* uncharged usage */ + unsigned long memsw_nr_pages; /* uncharged mem+swap usage */ } memcg_batch; #endif }; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 91120a04f935..9dfbed2aacc9 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2579,9 +2579,9 @@ __do_uncharge(struct mem_cgroup *mem, const enum charge_type ctype, if (batch->memcg != mem) goto direct_uncharge; /* remember freed charge and uncharge it later */ - batch->bytes += PAGE_SIZE; + batch->nr_pages++; if (uncharge_memsw) - batch->memsw_bytes += PAGE_SIZE; + batch->memsw_nr_pages++; return; direct_uncharge: res_counter_uncharge(&mem->res, page_size); @@ -2708,8 +2708,8 @@ void mem_cgroup_uncharge_start(void) /* We can do nest. */ if (current->memcg_batch.do_batch == 1) { current->memcg_batch.memcg = NULL; - current->memcg_batch.bytes = 0; - current->memcg_batch.memsw_bytes = 0; + current->memcg_batch.nr_pages = 0; + current->memcg_batch.memsw_nr_pages = 0; } } @@ -2730,10 +2730,12 @@ void mem_cgroup_uncharge_end(void) * This "batch->memcg" is valid without any css_get/put etc... * bacause we hide charges behind us. */ - if (batch->bytes) - res_counter_uncharge(&batch->memcg->res, batch->bytes); - if (batch->memsw_bytes) - res_counter_uncharge(&batch->memcg->memsw, batch->memsw_bytes); + if (batch->nr_pages) + res_counter_uncharge(&batch->memcg->res, + batch->nr_pages * PAGE_SIZE); + if (batch->memsw_nr_pages) + res_counter_uncharge(&batch->memcg->memsw, + batch->memsw_nr_pages * PAGE_SIZE); memcg_oom_recover(batch->memcg); /* forget this pointer (for sanity check) */ batch->memcg = NULL; |