From: Andrea Arcangeli <aarcange@redhat.com>
To: "Figo.zhang" <figo1802@gmail.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
mel@csn.ul.ie, kamezawa.hiroyu@jp.fujisu.com,
Minchan Kim <minchan.kim@gmail.com>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH]mm/page_alloc.c: no need del from lru
Date: Fri, 6 May 2011 20:06:46 +0200 [thread overview]
Message-ID: <20110506180646.GF6330@random.random> (raw)
In-Reply-To: <1304694099.2450.3.camel@figo-desktop>
Hello,
On Fri, May 06, 2011 at 11:01:21PM +0800, Figo.zhang wrote:
>
> split_free_page() the page is still free page, it is no need del from lru.
This is in the buddy freelist, see the other list_add in
page_alloc.c. It's not the lru as in release_pages. I see little
chance that if this was wrong it could go unnoticed so long without
major mm corruption reported. Removing it also should result in heavy
mm corruption.
Thanks,
Andrea
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prev parent reply other threads:[~2011-05-06 18:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-06 15:01 Figo.zhang
2011-05-06 18:06 ` Andrea Arcangeli [this message]
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