memcg: convert uncharge batching from bytes to page granularity
We never uncharge subpage quantities.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4b601be..98fc7ed 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1524,8 +1524,8 @@
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
};