Messages in this thread | | | Subject | Re: [PATCH] mm: Make copy_huge_page() always available | From | Mike Kravetz <> | Date | Mon, 12 Jul 2021 10:52:06 -0700 |
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On 7/12/21 8:32 AM, Matthew Wilcox (Oracle) wrote: > Rewrite copy_huge_page() and move it into mm/util.c so it's always > available. Fixes an exposure of uninitialised memory on configurations > with HUGETLB and UFFD enabled and MIGRATION disabled. > > Fixes: 8cc5fcbb5be8 ("mm, hugetlb: fix racy resv_huge_pages underflow on UFFDIO_COPY") > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > --- > include/linux/migrate.h | 5 ----- > include/linux/mm.h | 1 + > mm/migrate.c | 48 ----------------------------------------- > mm/util.c | 10 +++++++++ > 4 files changed, 11 insertions(+), 53 deletions(-)
Thanks Matthew,
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> -- Mike Kravetz
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