linux-kernel - Re: [PATCH 0/3] Fix malloc() stall in zone_reclaim() and bring behaviour more in line with expectations V3

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Date:	Thu, 11 Jun 2009 16:30:06 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Mel Gorman <mel@....ul.ie>
Cc:	mel@....ul.ie, kosaki.motohiro@...fujitsu.com, riel@...hat.com,
	cl@...ux-foundation.org, fengguang.wu@...el.com,
	linuxram@...ibm.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Fix malloc() stall in zone_reclaim() and bring
 behaviour more in line with expectations V3

On Thu, 11 Jun 2009 11:47:50 +0100
Mel Gorman <mel@....ul.ie> wrote:

> The big change with this release is that the patch reintroducing
> zone_reclaim_interval has been dropped as Ram reports the malloc() stalls
> have been resolved. If this bug occurs again, the counter will be there to
> help us identify the situation.

What is the exact relationship between this work and the somewhat
mangled "[PATCH for mmotm 0/5] introduce swap-backed-file-mapped count
and fix
vmscan-change-the-number-of-the-unmapped-files-in-zone-reclaim.patch"
series?

That five-patch series had me thinking that it was time to drop 

vmscan-change-the-number-of-the-unmapped-files-in-zone-reclaim.patch
vmscan-drop-pf_swapwrite-from-zone_reclaim.patch
vmscan-zone_reclaim-use-may_swap.patch

(they can be removed cleanly, but I haven't tried compiling the result)

but your series is based on those.

We have 142 MM patches queued, and we need to merge next week.
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