[PATCH][trivial] memcg: Kconfig info update

[PATCH][trivial] memcg: Kconfig info update

[Sergey Dyasly]

Now there are only 2 members in struct page_cgroup.
Update config MEMCG description accordingly.

Signed-off-by: Sergey Dyasly <dserrg@gmail.com>
---
 init/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/Kconfig b/init/Kconfig
index 9d3a788..16d1502 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -876,7 +876,7 @@ config MEMCG
 
 	  Note that setting this option increases fixed memory overhead
 	  associated with each page of memory in the system. By this,
-	  20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
+	  8(16)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
 	  usage tracking struct at boot. Total amount of this is printed out
 	  at boot.
 
-- 
1.8.1.2

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Re: [PATCH][trivial] memcg: Kconfig info update

[Michal Hocko]

CCing Andrew

On Mon 27-05-13 19:36:24, Sergey Dyasly wrote:
> Now there are only 2 members in struct page_cgroup.
> Update config MEMCG description accordingly.
> 
> Signed-off-by: Sergey Dyasly <dserrg@gmail.com>

Acked-by: Michal Hocko <mhocko@suse.cz>

> ---
>  init/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/init/Kconfig b/init/Kconfig
> index 9d3a788..16d1502 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -876,7 +876,7 @@ config MEMCG
>  
>  	  Note that setting this option increases fixed memory overhead
>  	  associated with each page of memory in the system. By this,
> -	  20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
> +	  8(16)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
>  	  usage tracking struct at boot. Total amount of this is printed out
>  	  at boot.
>  
> -- 
> 1.8.1.2
> 

-- 
Michal Hocko
SUSE Labs

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Re: [PATCH][trivial] memcg: Kconfig info update

[KOSAKI Motohiro]

On Mon, May 27, 2013 at 11:36 AM, Sergey Dyasly <dserrg@gmail.com> wrote:
> Now there are only 2 members in struct page_cgroup.
> Update config MEMCG description accordingly.
>
> Signed-off-by: Sergey Dyasly <dserrg@gmail.com>
> ---
>  init/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/init/Kconfig b/init/Kconfig
> index 9d3a788..16d1502 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -876,7 +876,7 @@ config MEMCG
>
>           Note that setting this option increases fixed memory overhead
>           associated with each page of memory in the system. By this,
> -         20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
> +         8(16)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
>           usage tracking struct at boot. Total amount of this is printed out
>           at boot.

Yes, kernel developers often foget to update documentations. Nice catch!

Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>

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Re: [PATCH][trivial] memcg: Kconfig info update

[Johannes Weiner]

On Mon, May 27, 2013 at 07:36:24PM +0400, Sergey Dyasly wrote:
> Now there are only 2 members in struct page_cgroup.
> Update config MEMCG description accordingly.
> 
> Signed-off-by: Sergey Dyasly <dserrg@gmail.com>

Thanks for catching that!

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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