diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2016-05-19 17:10:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-19 19:12:14 -0700 |
| commit | 0edaf86cf1a6a97d811fc34765ddbcbc310de564 (patch) | |
| tree | 5ba3b435651e8d8459b577d74ce8bb3f24dd44a1 /mm/memcontrol.c | |
| parent | 48a270554a3251681ae11173f2fd6389d943e183 (diff) | |
include/linux/nodemask.h: create next_node_in() helper
Lots of code does
node = next_node(node, XXX);
if (node == MAX_NUMNODES)
node = first_node(XXX);
so create next_node_in() to do this and use it in various places.
[mhocko@suse.com: use next_node_in() helper]
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Laura Abbott <lauraa@codeaurora.org>
Cc: Hui Zhu <zhuhui@xiaomi.com>
Cc: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fe787f5c41bd..6740c4c2b550 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1389,9 +1389,7 @@ int mem_cgroup_select_victim_node(struct mem_cgroup *memcg) mem_cgroup_may_update_nodemask(memcg); node = memcg->last_scanned_node; - node = next_node(node, memcg->scan_nodes); - if (node == MAX_NUMNODES) - node = first_node(memcg->scan_nodes); + node = next_node_in(node, memcg->scan_nodes); /* * We call this when we hit limit, not when pages are added to LRU. * No LRU may hold pages because all pages are UNEVICTABLE or |