Bias the placement of kernel pages at lower PFNs

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This patch chooses blocks with lower PFNs when placing kernel allocations.
This is particularly important during fallback in low memory situations to
stop unmovable pages being placed throughout the entire address space.

Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Mel Gorman 2007-10-16 01:25:54 -07:00 • committed by Linus Torvalds

parent 9ef9acb05a

commit 5adc5be7cd

1 changed files with 20 additions and 0 deletions

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mm/page_alloc.c

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