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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



  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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