linux-kernel - Re: [PATCH 4/8] Use vmalloc for large cgroups pidlist allocations

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Message-Id: <20090820141400.f6d3d5a6.akpm@linux-foundation.org>
Date:	Thu, 20 Aug 2009 14:14:00 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Paul Menage <menage@...gle.com>
Cc:	bblum@...rew.cmu.edu, lizf@...fujitsu.com,
	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org,
	Dave Hansen <haveblue@...ibm.com>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH 4/8] Use vmalloc for large cgroups pidlist allocations

On Tue, 18 Aug 2009 16:58:27 -0700
Paul Menage <menage@...gle.com> wrote:

> From: Ben Blum <bblum@...gle.com>
> 
> 
> Use vmalloc for large cgroups pidlist allocations
> 
> Separates all pidlist allocation requests to a separate function that judges
> based on the requested size whether or not the array needs to be vmalloced or
> can be gotten via kmalloc, and similar for kfree/vfree.
> 

Hang on.  Isn't this why Dave just wrote and I just rush-merged
lib/flex_array.c?

Was that code evaluated for this application and judged unsuitable?  If so,
for what reason?

If not, can someone please do this?

Ta.


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