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authorMuchun Song <songmuchun@bytedance.com>2021-02-04 18:32:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-05 11:03:47 -0800
commit585fc0d2871c9318c949fbf45b1f081edd489e96 (patch)
tree1beba3b505141b93d96576c5e131018b93813b55 /fs/btrfs
parent5c279c4cf206e03995e04fd3404fa95ffd243a97 (diff)
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mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page
If a new hugetlb page is allocated during fallocate it will not be marked as active (set_page_huge_active) which will result in a later isolate_huge_page failure when the page migration code would like to move that page. Such a failure would be unexpected and wrong. Only export set_page_huge_active, just leave clear_page_huge_active as static. Because there are no external users. Link: https://lkml.kernel.org/r/20210115124942.46403-3-songmuchun@bytedance.com Fixes: 70c3547e36f5 (hugetlbfs: add hugetlbfs_fallocate()) Signed-off-by: Muchun Song <songmuchun@bytedance.com> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Cc: David Hildenbrand <david@redhat.com> Cc: Yang Shi <shy828301@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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