From: Christoph Lameter <cl@linux-foundation.org>
To: Brice Goglin <Brice.Goglin@inria.fr>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Nathalie Furmento <nathalie.furmento@labri.fr>
Subject: Re: [PATCH] mm: make do_move_pages() complexity linear
Date: Fri, 12 Sep 2008 09:21:24 -0500 [thread overview]
Message-ID: <48CA7AE4.2080007@linux-foundation.org> (raw)
In-Reply-To: <48CA748F.8020701@inria.fr>
Brice Goglin wrote:
> I don't think so. If this happens, the while loop will skip those pages.
> (while in the regular case, the while loop does 0 iterations).
> The while loop is still here to make sure we are processing the right pm
> entry. What the patch changes is only that we don't uselessly look at
> the already-processed beginning of pm.
Ahh.. I missed that.
Acked-by: Christoph Lameter <cl@linux-foundation.org>
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Lameter <cl@linux-foundation.org>
To: Brice Goglin <Brice.Goglin@inria.fr>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Nathalie Furmento <nathalie.furmento@labri.fr>
Subject: Re: [PATCH] mm: make do_move_pages() complexity linear
Date: Fri, 12 Sep 2008 09:21:24 -0500 [thread overview]
Message-ID: <48CA7AE4.2080007@linux-foundation.org> (raw)
In-Reply-To: <48CA748F.8020701@inria.fr>
Brice Goglin wrote:
> I don't think so. If this happens, the while loop will skip those pages.
> (while in the regular case, the while loop does 0 iterations).
> The while loop is still here to make sure we are processing the right pm
> entry. What the patch changes is only that we don't uselessly look at
> the already-processed beginning of pm.
Ahh.. I missed that.
Acked-by: Christoph Lameter <cl@linux-foundation.org>
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next prev parent reply other threads:[~2008-09-12 14:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-12 12:31 [PATCH] mm: make do_move_pages() complexity linear Brice Goglin
2008-09-12 12:31 ` Brice Goglin
2008-09-12 13:45 ` Christoph Lameter
2008-09-12 13:45 ` Christoph Lameter
2008-09-12 13:54 ` Brice Goglin
2008-09-12 13:54 ` Brice Goglin
2008-09-12 14:21 ` Christoph Lameter [this message]
2008-09-12 14:21 ` Christoph Lameter
2008-09-25 12:58 ` Brice Goglin
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