From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mike Kravetz <mike.kravetz@oracle.com>,
Muchun Song <muchun.song@linux.dev>,
Mina Almasry <almasrymina@google.com>, <kirill@shutemov.name>,
<joel@joelfernandes.org>, <william.kucharski@oracle.com>,
<kaleshsingh@google.com>, <linux-mm@kvack.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <21cnbao@gmail.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Muchun Song <songmuchun@bytedance.com>
Subject: [PATCH v2 1/2] mm: hugetlb: use flush_hugetlb_tlb_range() in move_hugetlb_page_tables()
Date: Tue, 1 Aug 2023 10:31:44 +0800 [thread overview]
Message-ID: <20230801023145.17026-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20230801023145.17026-1-wangkefeng.wang@huawei.com>
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().
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Fixes: 550a7d60bd5e ("mm, hugepages: add mremap() support for hugepage backed vma")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
mm/hugetlb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 64a3239b6407..ac876bfba340 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5281,9 +5281,9 @@ int move_hugetlb_page_tables(struct vm_area_struct *vma,
}
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);
--
2.41.0
next prev parent reply other threads:[~2023-08-01 2:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-01 2:31 [PATCH v2 0/2] mm: hugetlb: fix mremap tlb flush Kefeng Wang
2023-08-01 2:31 ` Kefeng Wang [this message]
2023-08-01 2:31 ` [PATCH v2 2/2] arm64: hugetlb: enable __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE Kefeng Wang
2023-08-01 2:31 ` Muchun Song
2023-08-01 11:09 ` Catalin Marinas
2023-08-01 11:22 ` Kefeng Wang
2023-08-01 13:36 ` Kefeng Wang
2023-08-01 13:56 ` [PATCH v3] " Kefeng Wang
2023-08-01 15:28 ` Catalin Marinas
2023-08-02 1:27 ` [PATCH v4] " Kefeng Wang
2023-08-02 1:40 ` Muchun Song
2023-08-02 10:41 ` Catalin Marinas
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