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* [PATCHv2 0/8] thp/khugepaged improvements and CoW semantics
@ 2020-04-03 11:29 Kirill A. Shutemov
  2020-04-03 11:29 ` [PATCHv2 1/8] khugepaged: Add self test Kirill A. Shutemov
                   ` (8 more replies)
  0 siblings, 9 replies; 44+ messages in thread
From: Kirill A. Shutemov @ 2020-04-03 11:29 UTC (permalink / raw)
  To: akpm, Andrea Arcangeli
  Cc: Zi Yan, Yang Shi, linux-mm, linux-kernel, Kirill A. Shutemov

The patchset adds khugepaged selftest (anon-THP only for now), expands
cases khugepaged can handle and switches anon-THP copy-on-write handling
to 4k.

Please review and consider applying.

v2:
 - Fix race in compound page handling;
 - Add one more test-case for compound page case;
 - Rework LRU add cache draining;
 - Typos;

Kirill A. Shutemov (8):
  khugepaged: Add self test
  khugepaged: Do not stop collapse if less than half PTEs are referenced
  khugepaged: Drain all LRU caches before scanning pages
  khugepaged: Drain LRU add pagevec after swapin
  khugepaged: Allow to callapse a page shared across fork
  khugepaged: Allow to collapse PTE-mapped compound pages
  thp: Change CoW semantics for anon-THP
  khugepaged: Introduce 'max_ptes_shared' tunable

 Documentation/admin-guide/mm/transhuge.rst |   7 +
 include/trace/events/huge_memory.h         |   3 +-
 mm/huge_memory.c                           | 249 +-----
 mm/khugepaged.c                            | 184 +++-
 tools/testing/selftests/vm/Makefile        |   1 +
 tools/testing/selftests/vm/khugepaged.c    | 982 +++++++++++++++++++++
 6 files changed, 1153 insertions(+), 273 deletions(-)
 create mode 100644 tools/testing/selftests/vm/khugepaged.c

-- 
2.26.0



^ permalink raw reply	[flat|nested] 44+ messages in thread

end of thread, other threads:[~2020-04-13  9:42 UTC | newest]

Thread overview: 44+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-04-03 11:29 [PATCHv2 0/8] thp/khugepaged improvements and CoW semantics Kirill A. Shutemov
2020-04-03 11:29 ` [PATCHv2 1/8] khugepaged: Add self test Kirill A. Shutemov
2020-04-06 14:59   ` Zi Yan
2020-04-06 15:20     ` Kirill A. Shutemov
2020-04-06 18:50       ` Zi Yan
2020-04-08 14:21         ` Kirill A. Shutemov
2020-04-08 15:53           ` Zi Yan
2020-04-10 11:47     ` Kirill A. Shutemov
2020-04-10 14:36       ` Zi Yan
2020-04-10 14:58         ` Kirill A. Shutemov
2020-04-10 15:03           ` Zi Yan
2020-04-06 18:53   ` Ralph Campbell
2020-04-03 11:29 ` [PATCHv2 2/8] khugepaged: Do not stop collapse if less than half PTEs are referenced Kirill A. Shutemov
2020-04-06 18:13   ` Yang Shi
2020-04-06 19:53   ` Ralph Campbell
2020-04-09 13:34     ` Kirill A. Shutemov
2020-04-03 11:29 ` [PATCHv2 3/8] khugepaged: Drain all LRU caches before scanning pages Kirill A. Shutemov
2020-04-06 18:15   ` Yang Shi
2020-04-03 11:29 ` [PATCHv2 4/8] khugepaged: Drain LRU add pagevec after swapin Kirill A. Shutemov
2020-04-06 13:11   ` Zi Yan
2020-04-06 18:29   ` Yang Shi
2020-04-08 13:05     ` Kirill A. Shutemov
2020-04-08 18:42       ` Yang Shi
2020-04-03 11:29 ` [PATCHv2 5/8] khugepaged: Allow to callapse a page shared across fork Kirill A. Shutemov
2020-04-06 20:15   ` Ralph Campbell
2020-04-06 20:50   ` Yang Shi
2020-04-08 13:10     ` Kirill A. Shutemov
2020-04-08 18:51       ` Yang Shi
2020-04-10  0:03         ` Yang Shi
2020-04-10 15:56           ` Kirill A. Shutemov
2020-04-06 21:30   ` John Hubbard
2020-04-10 15:55     ` Kirill A. Shutemov
2020-04-10 20:59       ` John Hubbard
2020-04-13  9:42         ` Kirill A. Shutemov
2020-04-03 11:29 ` [PATCHv2 6/8] khugepaged: Allow to collapse PTE-mapped compound pages Kirill A. Shutemov
2020-04-06 21:29   ` Yang Shi
2020-04-08 13:29     ` Kirill A. Shutemov
2020-04-08 18:57       ` Yang Shi
2020-04-09 13:47         ` Kirill A. Shutemov
2020-04-03 11:29 ` [PATCHv2 7/8] thp: Change CoW semantics for anon-THP Kirill A. Shutemov
2020-04-07  7:57   ` [thp] db001b7115: vm-scalability.median 8.9% improvement kernel test robot
2020-04-03 11:29 ` [PATCHv2 8/8] khugepaged: Introduce 'max_ptes_shared' tunable Kirill A. Shutemov
2020-04-06 13:17   ` Zi Yan
2020-04-05 23:40 ` [PATCHv2 0/8] thp/khugepaged improvements and CoW semantics William Kucharski

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