linux-kernel - Re: [PATCH 2/2] memcg: cleanup typos in mem cgroup

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Date:	Fri, 22 Jun 2012 14:32:44 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Wanpeng Li <liwp.linux@...il.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>, cgroups@...r.kernel.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Han Ying <yinghan@...gle.com>,
	Glauber Costa <glommer@...allels.com>,
	Tejun Heo <tj@...nel.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hiroyuki Kamezawa <kamezawa.hiroyuki@...il.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] memcg: cleanup typos in mem cgroup

On Fri 22-06-12 20:01:14, Wanpeng Li wrote:
> From: Wanpeng Li <liwp@...ux.vnet.ibm.com>
> 
> Signed-off-by: Wanpeng Li <liwp.linux@...il.com>
> 
> ---
>  mm/memcontrol.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 776fc57..9e3c74a 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -115,8 +115,8 @@ static const char * const mem_cgroup_events_names[] = {
>  
>  /*
>   * Per memcg event counter is incremented at every pagein/pageout. With THP,
> - * it will be incremated by the number of pages. This counter is used for
> - * for trigger some periodic events. This is straightforward and better
> + * it will be incremented by the number of pages. This counter is used for

.... is used to trigger ....

> + * trigger some periodic events. This is straightforward and better
>   * than using jiffies etc. to handle periodic memcg event.
>   */
>  enum mem_cgroup_events_target {
> @@ -678,7 +678,7 @@ mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_zone *mctz)
>   *
>   * If there are kernel internal actions which can make use of some not-exact
>   * value, and reading all cpu value can be performance bottleneck in some
> - * common workload, threashold and synchonization as vmstat[] should be
> + * common workload, threshold and synchonization as vmstat[] should be
>   * implemented.
>   */
>  static long mem_cgroup_read_stat(struct mem_cgroup *memcg,
> @@ -2213,7 +2213,7 @@ static int mem_cgroup_do_charge(struct mem_cgroup *memcg, gfp_t gfp_mask,
>  	if (mem_cgroup_wait_acct_move(mem_over_limit))
>  		return CHARGE_RETRY;
>  
> -	/* If we don't need to call oom-killer at el, return immediately */
> +	/* If we don't need to call oom-killer at all, return immediately */

I think the whole comment should rather go away.

>  	if (!oom_check)
>  		return CHARGE_NOMEM;
>  	/* check OOM */

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic
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