From: Linus Torvalds <torvalds@woody.linux-foundation.org>
Date: Mon, 12 Nov 2007 22:14:44 +0000 (-0800)
Subject: Revert "Bias the placement of kernel pages at lower PFNs"
X-Git-Tag: v2.6.24-rc3~152
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44048d70;p=pandora-kernel.git

Revert "Bias the placement of kernel pages at lower PFNs"

This reverts commit 5adc5be7cd1bcef6bb64f5255d2a33f20a3cf5be.

Alexey Dobriyan reports that it causes huge slowdowns under some loads,
in his case a "mkfs.ext2" on a 30G partition.  With the placement bias,
the mkfs took over four minutes, with it reverted it's back to about ten
seconds for Alexey.

Reported-and-tested-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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