From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: y-goto@jp.fujitsu.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, akpm@osdl.org, mel@csn.ul.ie
Subject: Re: [RFC] memory hotremove patch take 2 [02/10] (make page unused)
Date: Fri, 11 May 2007 09:49:18 +0900 [thread overview]
Message-ID: <20070511094918.aba0b4e2.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0705101101460.10002@schroedinger.engr.sgi.com>
On Thu, 10 May 2007 11:04:37 -0700 (PDT)
Christoph Lameter <clameter@sgi.com> wrote:
> On Wed, 9 May 2007, Yasunori Goto wrote:
>
> > This patch is for supporting making page unused.
> >
> > Isolate pages by capturing freed pages before inserting free_area[],
> > buddy allocator.
> > If you have an idea for avoiding spin_lock(), please advise me.
>
> Using the zone lock instead may avoid to introduce another lock? Or is the
> new lock here for performance reasons?
>
> Isnt it possible to just add another flavor of pages like what Mel has
> been doing with reclaimable and movable? I.e. add another category of free
> pages to Mel's scheme called isolated and use Mel's function to move stuff
> over there?
>
Mel-san's idea seems good. So we'll rewrite the whole this patch.
Thank you.
-Kame
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next prev parent reply other threads:[~2007-05-11 0:49 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-09 2:59 [RFC] memory hotremove patch take 2 [00/10] Yasunori Goto
2007-05-09 3:10 ` [RFC] memory hotremove patch take 2 [01/10] (counter of removable page) Yasunori Goto
2007-05-10 12:46 ` Mel Gorman
2007-05-10 13:44 ` Andi Kleen
2007-05-11 1:08 ` KAMEZAWA Hiroyuki
2007-05-10 18:00 ` Christoph Lameter
2007-05-11 1:09 ` KAMEZAWA Hiroyuki
2007-05-09 3:10 ` [RFC] memory hotremove patch take 2 [02/10] (make page unused) Yasunori Goto
2007-05-10 15:34 ` Mel Gorman
2007-05-11 0:47 ` KAMEZAWA Hiroyuki
2007-05-10 18:04 ` Christoph Lameter
2007-05-11 0:49 ` KAMEZAWA Hiroyuki [this message]
2007-05-09 3:10 ` [RFC] memory hotremove patch take 2 [03/10] (drain all pages) Yasunori Goto
2007-05-10 15:35 ` Mel Gorman
2007-05-11 0:53 ` KAMEZAWA Hiroyuki
2007-05-10 18:07 ` Christoph Lameter
2007-05-11 0:54 ` KAMEZAWA Hiroyuki
2007-05-09 3:10 ` [RFC] memory hotremove patch take 2 [04/10] (isolate all free pages) Yasunori Goto
2007-05-10 16:42 ` Mel Gorman
2007-05-11 0:58 ` KAMEZAWA Hiroyuki
2007-05-10 18:07 ` Christoph Lameter
2007-05-09 3:11 ` [RFC] memory hotremove patch take 2 [05/10] (make basic remove code) Yasunori Goto
2007-05-10 18:09 ` Christoph Lameter
2007-05-11 1:05 ` KAMEZAWA Hiroyuki
2007-05-09 3:11 ` [RFC] memory hotremove patch take 2 [06/10] (ia64's remove_memory code) Yasunori Goto
2007-05-09 3:11 ` [RFC] memory hotremove patch take 2 [07/10] (delay freeing anon_vma) Yasunori Goto
2007-05-09 3:12 ` [RFC] memory hotremove patch take 2 [08/10] (memap init alignment) Yasunori Goto
2007-05-09 3:12 ` [RFC] memory hotremove patch take 2 [09/10] (direct isolation for remove) Yasunori Goto
2007-05-09 3:12 ` [RFC] memory hotremove patch take 2 [10/10] (retry swap-in page) Yasunori Goto
2007-05-09 3:26 ` KAMEZAWA Hiroyuki
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