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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-13 01:14:44 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-13 01:14:44 +0300
commit44048d700bcbfaf4bcca6e2e0a73d89d01ec0878 (patch)
tree975427ee367023b6e3a254519d5e5fdced2c0969 /fs/nfsd
parente6a5c27f3b0fef72e528fc35e343af4b2db790ff (diff)
downloadlinux-44048d700bcbfaf4bcca6e2e0a73d89d01ec0878.tar.xz
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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