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Groups > linux.kernel > #1493725

[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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Thread

Regression in mobility grouping? Johannes Weiner <hannes@cmpxchg.org> - 2016-09-28 03:50 +0200
  Re: Regression in mobility grouping? Vlastimil Babka <vbabka@suse.cz> - 2016-09-28 11:10 +0200
    Re: Regression in mobility grouping? Johannes Weiner <hannes@cmpxchg.org> - 2016-09-28 17:50 +0200
      Re: Regression in mobility grouping? Johannes Weiner <hannes@cmpxchg.org> - 2016-09-29 04:30 +0200
        Re: Regression in mobility grouping? Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-09-29 08:10 +0200
          Re: Regression in mobility grouping? Johannes Weiner <hannes@cmpxchg.org> - 2016-09-29 18:20 +0200
        Re: Regression in mobility grouping? Vlastimil Babka <vbabka@suse.cz> - 2016-09-29 09:20 +0200
  Re: Regression in mobility grouping? Mel Gorman <mgorman@suse.de> - 2016-09-28 12:30 +0200
    Re: Regression in mobility grouping? Johannes Weiner <hannes@cmpxchg.org> - 2016-09-28 18:50 +0200
  [RFC 2/4] mm, compaction: add migratetype to compact_control Vlastimil Babka <vbabka@suse.cz> - 2016-09-29 23:10 +0200
  [RFC 1/4] mm, compaction: change migrate_async_suitable() to suitable_migration_source() Vlastimil Babka <vbabka@suse.cz> - 2016-09-29 23:10 +0200
  [RFC 3/4] mm, compaction: restrict async compaction to matching migratetype Vlastimil Babka <vbabka@suse.cz> - 2016-09-29 23:10 +0200
  [RFC 4/4] mm, page_alloc: disallow migratetype fallback in fastpath Vlastimil Babka <vbabka@suse.cz> - 2016-09-29 23:10 +0200
    Re: [RFC 4/4] mm, page_alloc: disallow migratetype fallback in  fastpath Vlastimil Babka <vbabka@suse.cz> - 2016-10-12 17:20 +0200
  [RFC 0/4] try to reduce fragmenting fallbacks Vlastimil Babka <vbabka@suse.cz> - 2016-09-29 23:10 +0200
    [RFC 5/4] mm, page_alloc: split smallest stolen page in fallback Vlastimil Babka <vbabka@suse.cz> - 2016-10-07 10:40 +0200
    Re: [RFC 0/4] try to reduce fragmenting fallbacks Johannes Weiner <hannes@cmpxchg.org> - 2016-10-10 19:30 +0200
    [RFC 6/4] mm, page_alloc: introduce MIGRATE_MIXED migratetype Vlastimil Babka <vbabka@suse.cz> - 2016-10-11 15:20 +0200

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