Date: Sun, 5 Feb 2006 20:33:58 -0800
From: Andrew Morton <akpm@osdl.org>
To: pj@sgi.com, dgc@sgi.com, steiner@sgi.com, Simon.Derr@bull.net, ak@suse.de,
       linux-kernel@vger.kernel.org, clameter@sgi.com
Subject: Re: [PATCH 1/5] cpuset memory spread basic implementation
Message-Id: <20060205203358.1fdcea43.akpm@osdl.org>
In-Reply-To: <20060204154944.36387a86.akpm@osdl.org>
References: <20060204071910.10021.8437.sendpatchset@jackhammer.engr.sgi.com>
	<20060204154944.36387a86.akpm@osdl.org>
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Andrew Morton <akpm@osdl.org> wrote:
>
> Paul Jackson <pj@sgi.com> wrote:
>  >
>  > From: Paul Jackson <pj@sgi.com>
>  > 
>  > This patch provides the implementation and cpuset interface for
>  > an alternative memory allocation policy that can be applied to
>  > certain kinds of memory allocations, such as the page cache (file
>  > system buffers) and some slab caches (such as inode caches).
>  > 
>  > ...
>  >
>  > A new per-cpuset file, "memory_spread", is defined.  This is
>  > a boolean flag file, containing a "0" (off) or "1" (on).
>  > By default it is off, and the kernel allocation placement
>  > is unchanged.  If it is turned on for a given cpuset (write a
>  > "1" to that cpusets memory_spread file) then the alternative
>  > policy applies to all tasks in that cpuset.
> 
>  I'd have thought it would be saner to split these things apart:
>  "slab_spread", "pagecache_spread", etc.

This, please.   It impacts the design of the whole thing.

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