diff options
| author |   Peter Xu <peterx@redhat.com> | 2022-12-16 10:52:19 -0500 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 17:12:39 -0800 |
| commit | 7d049f3a03ea705522210d70b9d3e223ef86d663 (patch) | |
| tree | e971ecc997880825dc2e2d2c53f66cbb53eb14ca /fs/jbd2/commit.c | |
| parent | mm/hugetlb: make userfaultfd_huge_must_wait() safe to pmd unshare (diff) | |
| download | wireguard-linux-7d049f3a03ea705522210d70b9d3e223ef86d663.tar.xz wireguard-linux-7d049f3a03ea705522210d70b9d3e223ef86d663.zip | |
mm/hugetlb: make hugetlb_follow_page_mask() safe to pmd unshare
Since hugetlb_follow_page_mask() walks the pgtable, it needs the vma lock
to make sure the pgtable page will not be freed concurrently.
Link: https://lkml.kernel.org/r/20221216155219.2043714-1-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: James Houghton <jthoughton@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions