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| author | Mel Gorman | 2007-10-16 10:25:55 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2007-10-16 18:43:00 +0200 |
| commit | 46dafbca2bba811665b01d8cedf911204820623c (patch) | |
| tree | c0dbc78b3da9749f257fa8756cd3133f39cd4f88 /mm/sparse.c | |
| parent | Bias the placement of kernel pages at lower PFNs (diff) | |
| download | kernel-qcow2-linux-46dafbca2bba811665b01d8cedf911204820623c.tar.gz kernel-qcow2-linux-46dafbca2bba811665b01d8cedf911204820623c.tar.xz kernel-qcow2-linux-46dafbca2bba811665b01d8cedf911204820623c.zip | |
Be more agressive about stealing when MIGRATE_RECLAIMABLE allocations fallback
MIGRATE_RECLAIMABLE allocations tend to be very bursty in nature like when
updatedb starts. It is likely this will occur in situations where MAX_ORDER
blocks of pages are not free. This means that updatedb can scatter
MIGRATE_RECLAIMABLE pages throughout the address space. This patch is more
agressive about stealing blocks of pages for MIGRATE_RECLAIMABLE.
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>
Diffstat (limited to 'mm/sparse.c')
0 files changed, 0 insertions, 0 deletions