From: Christoph Lameter <clameter@sgi.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm] slub: update cpu after new_slab()
Date: Wed, 25 Apr 2007 09:21:56 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0704250920100.26221@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0704251703360.24086@blonde.wat.veritas.com>
On Wed, 25 Apr 2007, Hugh Dickins wrote:
> But, surely you wouldn't have expected it to stay on the processor
> throughout the waiting page allocation?? I think you're misremembering
> your expectations, and this was just a simple, understandable, oversight.
You do not know my fuzzy brain... Some thoughts go wrong once and
twice and then are stuck in there and I need people like you to
straighten me out.
> Quite a serious one, though: it got caught in my case by the NULL
> dereference, but it's probably been switching cpu there much more
> often - one cpu diddling with what's private to another, with
> unpredictable results.
Right. Thanks for catching it.
prev parent reply other threads:[~2007-04-25 16:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 15:21 Hugh Dickins
2007-04-25 15:29 ` Christoph Lameter
2007-04-25 15:49 ` Hugh Dickins
2007-04-25 15:58 ` Christoph Lameter
2007-04-25 16:13 ` Hugh Dickins
2007-04-25 16:21 ` Christoph Lameter [this message]
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