From: Christoph Lameter <clameter@sgi.com>
To: Nick Piggin <npiggin@suse.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
Christoph Lameter <clameter@engr.sgi.com>,
Jens Axboe <axboe@suse.de>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [patch] rfc: fix splice mapping race?
Date: Mon, 19 Jun 2006 08:35:09 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0606190826540.1184@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20060618094157.GD14452@wotan.suse.de>
On Sun, 18 Jun 2006, Nick Piggin wrote:
> In page migration, detect the missing mapping early and bail out if
> that is the case: the page is not going to get un-truncated, so
> retrying is just a waste of time.
Note that swap_page() has been removed in Andrew's tree.
We already check for the mapping being NULL before we get to
swap_page by the way. See migrate_pages().
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prev parent reply other threads:[~2006-06-19 15:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-18 9:41 Nick Piggin
2006-06-18 10:02 ` Peter Zijlstra
2006-06-18 10:11 ` Nick Piggin
2006-06-19 7:29 ` Jens Axboe
2006-06-19 15:35 ` Christoph Lameter [this message]
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