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* [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/ .
> Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
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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

end of thread, other threads:[~2011-12-21  0:16 UTC | newest]

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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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