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Re: [problem] raid performance loss with 2.6.26-rc8 on 32-bit x86 (bisected)

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From: Christoph Lameter
Subject: Re: [problem] raid performance loss with 2.6.26-rc8 on 32-bit x86 (bisected)
Date: Thursday, July 3, 2008 - 6:37 am

What a convoluted description. Simply put: We clobber the nr_zones field
because we write beyond the bounds of the node_zonelists[] array in
struct pglist_data.
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[problem] raid performance loss with 2.6.26-rc8 on 32-bit ..., Dan Williams, (Mon Jun 30, 6:57 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Mel Gorman, (Tue Jul 1, 1:09 am)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Andy Whitcroft, (Tue Jul 1, 10:58 am)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Mel Gorman, (Tue Jul 1, 12:07 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Dan Williams, (Tue Jul 1, 1:29 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Dan Williams, (Tue Jul 1, 3:28 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Mel Gorman, (Tue Jul 1, 10:18 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Dan Williams, (Wed Jul 2, 6:49 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Mel Gorman, (Wed Jul 2, 9:27 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Linus Torvalds, (Wed Jul 2, 9:43 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Mel Gorman, (Wed Jul 2, 10:00 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Dan Williams, (Wed Jul 2, 10:54 pm)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Christoph Lameter, (Thu Jul 3, 6:37 am)
[PATCH] Do not clobber pgdat->nr_zones during memory initi ..., Mel Gorman, (Thu Jul 3, 9:36 am)
Re: [problem] raid performance loss with 2.6.26-rc8 on 32- ..., Mel Gorman, (Thu Jul 3, 9:38 am)
Re: [PATCH] Do not clobber pgdat->nr_zones during memory i ..., Linus Torvalds, (Thu Jul 3, 9:44 am)
Re: [PATCH] Do not clobber pgdat->nr_zones during memory i ..., Linus Torvalds, (Thu Jul 3, 9:46 am)
Re: [PATCH] Do not clobber pgdat->nr_zones during memory i ..., Mel Gorman, (Thu Jul 3, 10:16 am)