* [PATCH 1/3] memcg: cleanup for_each_node_state()
@ 2011-12-20 10:01 Bob Liu
2011-12-20 14:29 ` Michal Hocko
2011-12-21 0:15 ` KAMEZAWA Hiroyuki
0 siblings, 2 replies; 3+ messages in thread
From: Bob Liu @ 2011-12-20 10:01 UTC (permalink / raw)
To: linux-mm; +Cc: kamezawa.hiroyu, mhocko, hannes, akpm, Bob Liu
We already have for_each_node(node) define in nodemask.h, better to use it.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
mm/memcontrol.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6a417fe..a3d0420 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -570,7 +570,7 @@ static void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
struct mem_cgroup_per_zone *mz;
struct mem_cgroup_tree_per_zone *mctz;
- for_each_node_state(node, N_POSSIBLE) {
+ for_each_node(node) {
for (zone = 0; zone < MAX_NR_ZONES; zone++) {
mz = mem_cgroup_zoneinfo(memcg, node, zone);
mctz = soft_limit_tree_node_zone(node, zone);
@@ -4972,7 +4972,7 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg)
mem_cgroup_remove_from_trees(memcg);
free_css_id(&mem_cgroup_subsys, &memcg->css);
- for_each_node_state(node, N_POSSIBLE)
+ for_each_node(node)
free_mem_cgroup_per_zone_info(memcg, node);
free_percpu(memcg->stat);
@@ -5031,7 +5031,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
struct mem_cgroup_tree_per_zone *rtpz;
int tmp, node, zone;
- for_each_node_state(node, N_POSSIBLE) {
+ for_each_node(node) {
tmp = node;
if (!node_state(node, N_NORMAL_MEMORY))
tmp = -1;
@@ -5050,7 +5050,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
return 0;
err_cleanup:
- for_each_node_state(node, N_POSSIBLE) {
+ for_each_node(node) {
if (!soft_limit_tree.rb_tree_per_node[node])
break;
kfree(soft_limit_tree.rb_tree_per_node[node]);
@@ -5071,7 +5071,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
if (!memcg)
return ERR_PTR(error);
- for_each_node_state(node, N_POSSIBLE)
+ for_each_node(node)
if (alloc_mem_cgroup_per_zone_info(memcg, node))
goto free_out;
--
1.7.0.4
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH 1/3] memcg: cleanup for_each_node_state()
2011-12-20 10:01 [PATCH 1/3] memcg: cleanup for_each_node_state() Bob Liu
@ 2011-12-20 14:29 ` Michal Hocko
2011-12-21 0:15 ` KAMEZAWA Hiroyuki
1 sibling, 0 replies; 3+ messages in thread
From: Michal Hocko @ 2011-12-20 14:29 UTC (permalink / raw)
To: Bob Liu; +Cc: linux-mm, kamezawa.hiroyu, hannes, akpm
On Tue 20-12-11 18:01:52, Bob Liu wrote:
> We already have for_each_node(node) define in nodemask.h, better to use it.
Yes seems to be the last user of the for_each_node_state(N_POSSIBLE) in
the tree.
>
> Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Thanks
> ---
> mm/memcontrol.c | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 6a417fe..a3d0420 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -570,7 +570,7 @@ static void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
> struct mem_cgroup_per_zone *mz;
> struct mem_cgroup_tree_per_zone *mctz;
>
> - for_each_node_state(node, N_POSSIBLE) {
> + for_each_node(node) {
> for (zone = 0; zone < MAX_NR_ZONES; zone++) {
> mz = mem_cgroup_zoneinfo(memcg, node, zone);
> mctz = soft_limit_tree_node_zone(node, zone);
> @@ -4972,7 +4972,7 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg)
> mem_cgroup_remove_from_trees(memcg);
> free_css_id(&mem_cgroup_subsys, &memcg->css);
>
> - for_each_node_state(node, N_POSSIBLE)
> + for_each_node(node)
> free_mem_cgroup_per_zone_info(memcg, node);
>
> free_percpu(memcg->stat);
> @@ -5031,7 +5031,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
> struct mem_cgroup_tree_per_zone *rtpz;
> int tmp, node, zone;
>
> - for_each_node_state(node, N_POSSIBLE) {
> + for_each_node(node) {
> tmp = node;
> if (!node_state(node, N_NORMAL_MEMORY))
> tmp = -1;
> @@ -5050,7 +5050,7 @@ static int mem_cgroup_soft_limit_tree_init(void)
> return 0;
>
> err_cleanup:
> - for_each_node_state(node, N_POSSIBLE) {
> + for_each_node(node) {
> if (!soft_limit_tree.rb_tree_per_node[node])
> break;
> kfree(soft_limit_tree.rb_tree_per_node[node]);
> @@ -5071,7 +5071,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
> if (!memcg)
> return ERR_PTR(error);
>
> - for_each_node_state(node, N_POSSIBLE)
> + for_each_node(node)
> if (alloc_mem_cgroup_per_zone_info(memcg, node))
> goto free_out;
>
> --
> 1.7.0.4
>
>
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org. For more info on Linux MM,
> see: http://www.linux-mm.org/ .
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--
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH 1/3] memcg: cleanup for_each_node_state()
2011-12-20 10:01 [PATCH 1/3] memcg: cleanup for_each_node_state() Bob Liu
2011-12-20 14:29 ` Michal Hocko
@ 2011-12-21 0:15 ` KAMEZAWA Hiroyuki
1 sibling, 0 replies; 3+ messages in thread
From: KAMEZAWA Hiroyuki @ 2011-12-21 0:15 UTC (permalink / raw)
To: Bob Liu; +Cc: linux-mm, mhocko, hannes, akpm
On Tue, 20 Dec 2011 18:01:52 +0800
Bob Liu <lliubbo@gmail.com> wrote:
> We already have for_each_node(node) define in nodemask.h, better to use it.
>
> Signed-off-by: Bob Liu <lliubbo@gmail.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
--
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2011-12-20 10:01 [PATCH 1/3] memcg: cleanup for_each_node_state() Bob Liu
2011-12-20 14:29 ` Michal Hocko
2011-12-21 0:15 ` KAMEZAWA Hiroyuki
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