mm/huge_memory: use flush_pmd_tlb_range in move_huge_pmd

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Patch series "A few cleanup patches for huge_memory", v3.

This series contains a few cleaup patches to remove duplicated codes,
add/use helper functions, fix some obsolete comments and so on.  More
details can be found in the respective changelogs.


This patch (of 16):

Arches with special requirements for evicting THP backing TLB entries can
implement flush_pmd_tlb_range.  Otherwise also, it can help optimize TLB
flush in THP regime.  Using flush_pmd_tlb_range to take advantage of this
in move_huge_pmd.

Link: https://lkml.kernel.org/r/20220704132201.14611-1-linmiaohe@huawei.com
Link: https://lkml.kernel.org/r/20220704132201.14611-2-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Zach O'Keefe <zokeefe@google.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

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Miaohe Lin 2022-07-04 21:21:46 +08:00 • committed by akpm

parent 391145380f

commit 7c38f1812d

1 changed files with 1 additions and 1 deletions

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mm/huge_memory.c

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