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authorNamhyung Kim <namhyung@gmail.com>2011-03-23 00:32:45 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-23 01:44:02 +0100
commit1d16871d8c96deadc5f9753b6b096074f2cbcbe1 (patch)
tree9f3f0c5a60e7a5bf4bfa9f2bd4c9492db36cecfe /mm/Kconfig.debug
parentmm: change __remove_from_page_cache() (diff)
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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')
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