linux-kernel - Re: [PATCH 2/3] sparc64: implement page mapping percpu first chunk allocator

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Message-Id: <20090924.155122.170781221.davem@davemloft.net>
Date:	Thu, 24 Sep 2009 15:51:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tj@...nel.org
Cc:	linux-kernel@...r.kernel.org, rusty@...tcorp.com.au,
	cl@...ux-foundation.org, mingo@...e.hu, hpa@...or.com
Subject: Re: [PATCH 2/3] sparc64: implement page mapping percpu first chunk
 allocator

From: Tejun Heo <tj@...nel.org>
Date: Thu, 24 Sep 2009 21:56:32 +0900

> Implement page mapping percpu first chunk allocator as a fallback to
> the embedding allocator.  The next patch will make the embedding
> allocator check distances between units to determine whether it fits
> within the vmalloc area so that this fallback can be used on such
> cases.
> 
> sparc64 currently has relatively small vmalloc area which makes it
> impossible to create any dynamic chunks on certain configurations
> leading to percpu allocation failures.  This and the next patch should
> allow those configurations to keep working until proper solution is
> found.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> ---
> David, can you please ack this after reviewing?

This looks fine to me:

Acked-by: David S. Miller <davem@...emloft.net>
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