From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Chris Wright <chrisw@sous-sol.org>
Cc: Andy Whitcroft <apw@shadowen.org>, Andrew Morton <akpm@osdl.org>,
Mel Gorman <mel@csn.ul.ie>,
stable@kernel.org, Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [stable] [PATCH 0/2] Zone boundary alignment fixes, default configuration
Date: Wed, 31 May 2006 21:41:33 +1000 [thread overview]
Message-ID: <447D80ED.7070403@yahoo.com.au> (raw)
In-Reply-To: <20060531001322.GJ18769@moss.sous-sol.org>
Chris Wright wrote:
> * Andy Whitcroft (apw@shadowen.org) wrote:
>
>>I think a concensus is forming that the checks for merging across
>>zones were removed from the buddy allocator without anyone noticing.
>>So I propose that the configuration option UNALIGNED_ZONE_BOUNDARIES
>>default to on, and those architectures which have been auditied
>>for alignment may turn it off.
>
>
> So what's the final outcome here for -stable? The only
> relevant patch upstream appears to be Bob Picco's patch
I think you need zone checks? [ ie. page_zone(page) == page_zone(buddy) ]
I had assumed Andy was going to do a patch for that.
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next prev parent reply other threads:[~2006-05-31 11:41 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-21 8:22 [patch 1/2] mm: detect bad zones Nick Piggin
2006-05-21 8:22 ` [patch 2/2] mm: handle unaligned zones Nick Piggin
2006-05-21 9:19 ` Andrew Morton
2006-05-21 10:31 ` Nick Piggin
2006-05-21 10:59 ` Andrew Morton
2006-05-21 11:44 ` Nick Piggin
2006-05-21 11:52 ` Nick Piggin
2006-05-22 9:24 ` Mel Gorman
2006-05-22 9:28 ` Mel Gorman
2006-05-22 9:06 ` Mel Gorman
2006-05-22 9:51 ` Nick Piggin
2006-05-21 11:53 ` Nick Piggin
2006-05-22 8:18 ` Andy Whitcroft
2006-05-22 9:37 ` Nick Piggin
2006-05-22 9:52 ` [PATCH 0/2] Zone boundary alignment fixes, default configuration Andy Whitcroft
2006-05-22 9:53 ` [PATCH 1/2] zone allow unaligned zone boundaries add configuration Andy Whitcroft
2006-05-22 9:53 ` [PATCH 2/2] x86 add zone alignment qualifier Andy Whitcroft
2006-05-25 11:19 ` [PATCH 0/2] Zone boundary alignment fixes, default configuration Andy Whitcroft
2006-05-31 0:13 ` [stable] " Chris Wright
2006-05-31 11:41 ` Nick Piggin [this message]
2006-05-31 12:08 ` Andy Whitcroft
2006-05-31 17:42 ` Greg KH
2006-05-31 17:16 ` Andy Whitcroft
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