From: Andi Kleen <andi@firstfloor.org>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, haicheng.li@intel.com,
penberg@cs.helsinki.fi, linux-mm@kvack.org
Subject: Re: [PATCH] [0/4] SLAB: Fix a couple of slab memory hotadd issues
Date: Fri, 05 Feb 2010 21:22:21 +0100 [thread overview]
Message-ID: <87636bv3eq.fsf@basil.nowhere.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1002051316350.25989@router.home> (Christoph Lameter's message of "Fri, 5 Feb 2010 13:19:48 -0600 (CST)")
Christoph Lameter <cl@linux-foundation.org> writes:
> On Wed, 3 Feb 2010, Andi Kleen wrote:
>
>> This fixes various problems in slab found during memory hotadd testing.
>
> It changes the bootstrap semantics. The requirement was so far that slab
> initialization must be complete before slab operations can be used.
The problem is that slab itself uses slab it initialize itself.
> This patchset allows such use before bootstrap on a node is complete and
> also allows the running of cache reaper before bootstrap is done.
>
> I have a bad feeling that this could be the result of Pekka's changes to
> the bootstrap.
Not sure I fully follow what you're saying.
Are you saying this is a regression fix after all?
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
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next prev parent reply other threads:[~2010-02-05 20:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-03 21:39 Andi Kleen
2010-02-03 21:39 ` [PATCH] [1/4] SLAB: Handle node-not-up case in fallback_alloc() Andi Kleen
2010-02-05 21:06 ` David Rientjes
2010-02-06 7:25 ` Andi Kleen
2010-02-06 9:53 ` David Rientjes
2010-02-06 15:56 ` Andi Kleen
2010-02-06 22:31 ` David Rientjes
2010-02-03 21:39 ` [PATCH] [2/4] SLAB: Set up the l3 lists for the memory of freshly added memory Andi Kleen
2010-02-05 19:12 ` Christoph Lameter
2010-02-05 21:17 ` David Rientjes
2010-02-06 7:26 ` Andi Kleen
2010-02-06 9:47 ` David Rientjes
2010-02-03 21:39 ` [PATCH] [3/4] SLAB: Separate node initialization into separate function Andi Kleen
2010-02-05 19:15 ` Christoph Lameter
2010-02-05 21:29 ` David Rientjes
2010-02-06 7:27 ` Andi Kleen
2010-02-06 9:55 ` David Rientjes
2010-02-03 21:39 ` [PATCH] [4/4] SLAB: Fix node add timer race in cache_reap Andi Kleen
2010-02-05 19:16 ` Christoph Lameter
2010-02-05 8:27 ` [PATCH] [0/4] SLAB: Fix a couple of slab memory hotadd issues Pekka Enberg
2010-02-05 19:19 ` Christoph Lameter
2010-02-05 20:22 ` Andi Kleen [this message]
2010-02-05 20:55 ` Christoph Lameter
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