From: Andrew Morton <akpm@linux-foundation.org>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: linux-mm <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Miklos Szeredi <mszeredi@suse.cz>, Rik van Riel <riel@redhat.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Mel Gorman <mel@csn.ul.ie>
Subject: Re: [PATCH] mm: optimize replace_page_cache_page
Date: Wed, 23 Feb 2011 14:44:45 -0800 [thread overview]
Message-ID: <20110223144445.86d0ca2b.akpm@linux-foundation.org> (raw)
In-Reply-To: <20110219234121.GA2546@barrios-desktop>
On Sun, 20 Feb 2011 08:41:21 +0900
Minchan Kim <minchan.kim@gmail.com> wrote:
> Resend.
Reignore.
> he patch is based on mmotm-2011-02-04 +
> mm-add-replace_page_cache_page-function-add-freepage-hook.patch.
>
> On Fri, Feb 11, 2011 at 01:33:46AM +0900, Minchan Kim wrote:
> > This patch optmizes replace_page_cache_page.
> >
> > 1) remove radix_tree_preload
> > 2) single radix_tree_lookup_slot and replace radix tree slot
> > 3) page accounting optimization if both pages are in same zone.
> >
> > Cc: Miklos Szeredi <mszeredi@suse.cz>
> > Cc: Rik van Riel <riel@redhat.com>
> > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> > Cc: Mel Gorman <mel@csn.ul.ie>
> > Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
> > ---
> > mm/filemap.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++---------
> > 1 files changed, 51 insertions(+), 10 deletions(-)
> >
> > Hi Miklos,
> > This patch is totally not tested.
> > Could you test this patch?
^^^ Because of this.
Is it tested yet?
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next prev parent reply other threads:[~2011-02-23 22:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-10 16:33 [PATCH] mm: optimize replace_page_cache_page Minchan Kim
2011-02-19 23:41 ` Minchan Kim
2011-02-23 22:44 ` Andrew Morton [this message]
2011-02-23 23:37 ` Minchan Kim
2011-02-24 10:56 ` Miklos Szeredi
2011-03-21 22:06 ` Andrew Morton
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