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* [PATCH v7 00/11] Speedup mremap on ppc64
@ 2021-06-07  5:51 ` Aneesh Kumar K.V
  0 siblings, 0 replies; 59+ messages in thread
From: Aneesh Kumar K.V @ 2021-06-07  5:51 UTC (permalink / raw)
  To: linux-mm, akpm
  Cc: mpe, linuxppc-dev, kaleshsingh, npiggin, joel, Christophe Leroy,
	Linus Torvalds, Kirill A . Shutemov, Aneesh Kumar K.V


This patchset enables MOVE_PMD/MOVE_PUD support on power. This requires
the platform to support updating higher-level page tables without
updating page table entries. This also needs to invalidate the Page Walk
Cache on architecture supporting the same.

Changes from v6:
* Update ppc64 flush_tlb_range to invalidate page walk cache.
* Add patches to fix race between mremap and page out
* Add patch to fix build error with page table levels 2

Changes from v5:
* Drop patch mm/mremap: Move TLB flush outside page table lock
* Add fixes for race between optimized mremap and page out

Changes from v4:
* Change function name and arguments based on review feedback.

Changes from v3:
* Fix build error reported by kernel test robot
* Address review feedback.

Changes from v2:
* switch from using mmu_gather to flush_pte_tlb_pwc_range() 

Changes from v1:
* Rebase to recent upstream
* Fix build issues with tlb_gather_mmu changes


Aneesh Kumar K.V (11):
  mm/mremap: Fix race between MOVE_PMD mremap and pageout
  mm/mremap: Fix race between MOVE_PUD mremap and pageout
  selftest/mremap_test: Update the test to handle pagesize other than 4K
  selftest/mremap_test: Avoid crash with static build
  mm/mremap: Convert huge PUD move to separate helper
  mm/mremap: Don't enable optimized PUD move if page table levels is 2
  mm/mremap: Use pmd/pud_poplulate to update page table entries
  powerpc/mm/book3s64: Fix possible build error
  mm/mremap: Allow arch runtime override
  powerpc/book3s64/mm: Update flush_tlb_range to flush page walk cache
  powerpc/mm: Enable HAVE_MOVE_PMD support

 .../include/asm/book3s/64/tlbflush-radix.h    |   2 +
 arch/powerpc/include/asm/tlb.h                |   6 +
 arch/powerpc/mm/book3s64/radix_hugetlbpage.c  |   8 +-
 arch/powerpc/mm/book3s64/radix_tlb.c          |  70 +++++++----
 arch/powerpc/platforms/Kconfig.cputype        |   2 +
 include/linux/rmap.h                          |  13 +-
 mm/mremap.c                                   | 104 +++++++++++++--
 mm/page_vma_mapped.c                          |  43 ++++---
 tools/testing/selftests/vm/mremap_test.c      | 118 ++++++++++--------
 9 files changed, 251 insertions(+), 115 deletions(-)

-- 
2.31.1



^ permalink raw reply	[flat|nested] 59+ messages in thread

end of thread, other threads:[~2021-06-17  2:57 UTC | newest]

Thread overview: 59+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-07  5:51 [PATCH v7 00/11] Speedup mremap on ppc64 Aneesh Kumar K.V
2021-06-07  5:51 ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 01/11] mm/mremap: Fix race between MOVE_PMD mremap and pageout Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-08  0:06   ` Hugh Dickins
2021-06-08  0:06     ` Hugh Dickins
2021-06-08  7:52     ` Aneesh Kumar K.V
2021-06-08  7:52       ` Aneesh Kumar K.V
2021-06-08  9:42       ` Kirill A. Shutemov
2021-06-08  9:42         ` Kirill A. Shutemov
2021-06-08 11:17         ` Aneesh Kumar K.V
2021-06-08 11:17           ` Aneesh Kumar K.V
2021-06-08 12:05           ` Kirill A. Shutemov
2021-06-08 12:05             ` Kirill A. Shutemov
2021-06-08 20:39       ` Hugh Dickins
2021-06-08 20:39         ` Hugh Dickins
2021-06-07  5:51 ` [PATCH v7 02/11] mm/mremap: Fix race between MOVE_PUD " Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-14 14:55   ` [mm/mremap] ecf8443e51: vm-scalability.throughput -29.4% regression kernel test robot
2021-06-14 14:55     ` kernel test robot
2021-06-14 14:55     ` kernel test robot
2021-06-14 14:58     ` Linus Torvalds
2021-06-14 14:58       ` Linus Torvalds
2021-06-14 14:58       ` Linus Torvalds
2021-06-14 14:58       ` Linus Torvalds
2021-06-14 16:08     ` Aneesh Kumar K.V
2021-06-14 16:08       ` Aneesh Kumar K.V
2021-06-14 16:08       ` Aneesh Kumar K.V
2021-06-17  2:38       ` [LKP] " Liu, Yujie
2021-06-17  2:38         ` Liu, Yujie
2021-06-17  2:38         ` [LKP] " Liu, Yujie
2021-06-07  5:51 ` [PATCH v7 03/11] selftest/mremap_test: Update the test to handle pagesize other than 4K Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 04/11] selftest/mremap_test: Avoid crash with static build Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 05/11] mm/mremap: Convert huge PUD move to separate helper Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 06/11] mm/mremap: Don't enable optimized PUD move if page table levels is 2 Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 07/11] mm/mremap: Use pmd/pud_poplulate to update page table entries Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 08/11] powerpc/mm/book3s64: Fix possible build error Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 09/11] mm/mremap: Allow arch runtime override Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 10/11] powerpc/book3s64/mm: Update flush_tlb_range to flush page walk cache Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07  5:51 ` [PATCH v7 11/11] powerpc/mm: Enable HAVE_MOVE_PMD support Aneesh Kumar K.V
2021-06-07  5:51   ` Aneesh Kumar K.V
2021-06-07 10:10 ` [PATCH v7 00/11] Speedup mremap on ppc64 Nick Piggin
2021-06-07 10:10   ` Nick Piggin
2021-06-08  4:39   ` Aneesh Kumar K.V
2021-06-08  4:39     ` Aneesh Kumar K.V
2021-06-08  5:03     ` Nicholas Piggin
2021-06-08  5:03       ` Nicholas Piggin
2021-06-08 17:10   ` Linus Torvalds
2021-06-08 17:10     ` Linus Torvalds
2021-06-16  1:44     ` Nicholas Piggin
2021-06-16  1:44       ` Nicholas Piggin

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