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| author | Namhyung Kim | 2011-03-23 00:32:45 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2011-03-23 01:44:02 +0100 |
| commit | 1d16871d8c96deadc5f9753b6b096074f2cbcbe1 (patch) | |
| tree | 9f3f0c5a60e7a5bf4bfa9f2bd4c9492db36cecfe /mm/Kconfig.debug | |
| parent | mm: change __remove_from_page_cache() (diff) | |
| download | kernel-qcow2-linux-1d16871d8c96deadc5f9753b6b096074f2cbcbe1.tar.gz kernel-qcow2-linux-1d16871d8c96deadc5f9753b6b096074f2cbcbe1.tar.xz kernel-qcow2-linux-1d16871d8c96deadc5f9753b6b096074f2cbcbe1.zip | |
mm: batch-free pcp list if possible
free_pcppages_bulk() frees pages from pcp lists in a round-robin fashion
by keeping batch_free counter. But it doesn't need to spin if there is
only one non-empty list. This can be checked by batch_free ==
MIGRATE_PCPTYPES.
[akpm@linux-foundation.org: fix comment]
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: 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/Kconfig.debug')
0 files changed, 0 insertions, 0 deletions