[PATCH v2 0/2] mm: hugetlb: fix mremap tlb flush

From: Kefeng Wang
Date: Mon Jul 31 2023 - 22:20:09 EST


The first patch uses correct flush tlb functions when move page tables,
and second patch is a small tlb flush optimization for hugepage on arm64.

v2:
- drop uncorrected move_normal_pmd/pud() changes
- add flush_hugetlb_tlb_range() on arm64 instead of changing generic
flush_tlb_range()
- collect RB/ACK

Kefeng Wang (2):
mm: hugetlb: use flush_hugetlb_tlb_range() in
move_hugetlb_page_tables()
arm64: hugetlb: enable __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE

arch/arm64/include/asm/hugetlb.h | 12 ++++++++++++
mm/hugetlb.c | 4 ++--
2 files changed, 14 insertions(+), 2 deletions(-)

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2.41.0