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    Subject[PATCH 01/16] mm: use kmap_local_page in memzero_page
    Date
    No need for kmap_atomic here.

    Signed-off-by: Christoph Hellwig <hch@lst.de>
    ---
    include/linux/highmem.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/include/linux/highmem.h b/include/linux/highmem.h
    index 832b49b50c7b..0dc0451cf1d1 100644
    --- a/include/linux/highmem.h
    +++ b/include/linux/highmem.h
    @@ -334,9 +334,9 @@ static inline void memcpy_to_page(struct page *page, size_t offset,

    static inline void memzero_page(struct page *page, size_t offset, size_t len)
    {
    - char *addr = kmap_atomic(page);
    + char *addr = kmap_local_page(page);
    memset(addr + offset, 0, len);
    - kunmap_atomic(addr);
    + kunmap_local(addr);
    }

    #endif /* _LINUX_HIGHMEM_H */
    --
    2.30.2
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