The patch titled
Subject: mm: hugetlb: use flush_hugetlb_tlb_range() in move_hugetlb_page_tables()
has been added to the -mm mm-unstable branch. Its filename is
mm-hugetlb-use-flush_hugetlb_tlb_range-in-move_hugetlb_page_tables.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb-use-flush_hugetlb_tlb_range-in-move_hugetlb_page_tables.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: hugetlb: use flush_hugetlb_tlb_range() in move_hugetlb_page_tables()
Date: Tue, 1 Aug 2023 10:31:44 +0800
Archs may need to do special things when flushing hugepage tlb, so use the
more applicable flush_hugetlb_tlb_range() instead of flush_tlb_range().
Link: https://lkml.kernel.org/r/20230801023145.17026-2-wangkefeng.wang@xxxxxxxxxx
Fixes: 550a7d60bd5e ("mm, hugepages: add mremap() support for hugepage backed vma")
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Acked-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Barry Song <21cnbao@xxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Cc: Kalesh Singh <kaleshsingh@xxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Cc: Mina Almasry <almasrymina@xxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/hugetlb.c~mm-hugetlb-use-flush_hugetlb_tlb_range-in-move_hugetlb_page_tables
+++ a/mm/hugetlb.c
@@ -5306,9 +5306,9 @@ int move_hugetlb_page_tables(struct vm_a
}
if (shared_pmd)
- flush_tlb_range(vma, range.start, range.end);
+ flush_hugetlb_tlb_range(vma, range.start, range.end);
else
- flush_tlb_range(vma, old_end - len, old_end);
+ flush_hugetlb_tlb_range(vma, old_end - len, old_end);
mmu_notifier_invalidate_range_end(&range);
i_mmap_unlock_write(mapping);
hugetlb_vma_unlock_write(vma);
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-remove-arguments-of-show_mem.patch
mm-make-show_free_areas-static.patch
mm-factor-out-vma-stack-and-heap-checks.patch
drm-amdkfd-use-vma_is_initial_stack-and-vma_is_initial_heap.patch
selinux-use-vma_is_initial_stack-and-vma_is_initial_heap.patch
perf-core-use-vma_is_initial_stack-and-vma_is_initial_heap.patch
mm-hugetlb-use-flush_hugetlb_tlb_range-in-move_hugetlb_page_tables.patch
arm64-hugetlb-enable-__have_arch_flush_hugetlb_tlb_range.patch
