linux-kernel - Re: [-mm PATCH] Memory controller improve user interface

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Date:	Wed, 29 Aug 2007 11:45:48 -0700
From:	Dave Hansen <haveblue@...ibm.com>
To:	Balbir Singh <balbir@...ux.vnet.ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux MM Mailing List <linux-mm@...ck.org>,
	David Rientjes <rientjes@...gle.com>,
	Linux Containers <containers@...ts.osdl.org>,
	Paul Menage <menage@...gle.com>
Subject: Re: [-mm PATCH]  Memory controller improve user interface

On Wed, 2007-08-29 at 16:40 +0530, Balbir Singh wrote:
> 
> 
> @@ -352,7 +353,7 @@ int mem_container_charge(struct page *pa
>                 kfree(pc);
>                 pc = race_pc;
>                 atomic_inc(&pc->ref_cnt);
> -               res_counter_uncharge(&mem->res, 1);
> +               res_counter_uncharge(&mem->res, MEM_CONTAINER_CHARGE_KB);
>                 css_put(&mem->css);
>                 goto done;
>         } 

Do these changes really need to happen anywhere besides the
user<->kernel boundary?  Why can't internal tracking be in pages?

-- Dave

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