From: Christoph Lameter <christoph@lameter.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Rohit Seth <rohit.seth@intel.com>,
torvalds@osdl.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: Free pages from local pcp lists under tight memory conditions
Date: Tue, 22 Nov 2005 22:36:41 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.62.0511222231070.2084@graphe.net> (raw)
In-Reply-To: <20051122213612.4adef5d0.akpm@osdl.org>
On Tue, 22 Nov 2005, Andrew Morton wrote:
> > [PATCH]: This patch free pages (pcp->batch from each list at a time) from
> > local pcp lists when a higher order allocation request is not able to
> > get serviced from global free_list.
> >
> > This should help fix some of the earlier failures seen with order 1 allocations.
> >
> > I will send separate patches for:
> >
> > 1- Reducing the remote cpus pcp
That is already partially done by drain_remote_pages(). However, that
draining is specific to this processors remote pagesets in remote
zones.
> This significantly duplicates the existing drain_local_pages().
We need to extract __drain_pcp from all these functions and clearly
document how they differ. Seth probably needs to call __drain_pages for
each processor.
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next prev parent reply other threads:[~2005-11-23 6:36 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-23 0:10 Rohit Seth
2005-11-23 5:36 ` Andrew Morton
2005-11-23 5:58 ` Andrew Morton
2005-11-23 18:17 ` Rohit Seth
2005-11-23 6:36 ` Christoph Lameter [this message]
2005-11-23 6:42 ` Christoph Lameter
2005-11-23 16:35 ` Linus Torvalds
2005-11-23 17:03 ` Christoph Lameter
2005-11-23 17:54 ` Rohit Seth
2005-11-23 18:06 ` Mel Gorman
2005-11-23 19:41 ` Rohit Seth
2005-11-24 9:25 ` Mel Gorman
2005-11-23 23:26 ` Rohit Seth
2005-11-23 19:30 ` Christoph Lameter
2005-11-23 19:46 ` Rohit Seth
2005-11-23 19:55 ` Andrew Morton
2005-11-23 21:00 ` Rohit Seth
2005-11-23 21:25 ` Christoph Lameter
2005-11-23 22:29 ` Rohit Seth
2005-11-23 21:26 ` Andrew Morton
2005-11-23 21:40 ` Rohit Seth
2005-11-24 3:02 ` Paul Jackson
2005-11-29 23:18 ` Rohit Seth
2005-12-01 14:44 ` Paul Jackson
2005-12-02 0:32 ` Nick Piggin
2005-11-23 22:01 ` Christoph Lameter
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