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Subject[RFC 0/4] try to reduce fragmenting fallbacks
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Hi Johannes,

here's something quick to try or ponder about. However, untested since it's too
late here. Based on mmotm-2016-09-27-16-08 plus this fix [1]

[1] http://lkml.kernel.org/r/<cadadd38-6456-f58e-504f-cc18ddc47b3f@suse.cz>

Vlastimil Babka (4):
mm, compaction: change migrate_async_suitable() to
suitable_migration_source()
mm, compaction: add migratetype to compact_control
mm, compaction: restrict async compaction to matching migratetype
mm, page_alloc: disallow migratetype fallback in fastpath

include/linux/mmzone.h | 5 +++++
mm/compaction.c | 41 +++++++++++++++++++++++++----------------
mm/internal.h | 2 ++
mm/page_alloc.c | 34 +++++++++++++++++++++++-----------
4 files changed, 55 insertions(+), 27 deletions(-)

--
2.10.0

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