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    SubjectRe: [PATCH v14 023/138] mm/swap: Add folio_rotate_reclaimable()
    On Thu, Jul 15, 2021 at 04:35:09AM +0100, Matthew Wilcox (Oracle) wrote:
    > Convert rotate_reclaimable_page() to folio_rotate_reclaimable(). This
    > eliminates all five of the calls to compound_head() in this function,
    > saving 75 bytes at the cost of adding 15 bytes to its one caller,
    > end_page_writeback(). We also save 36 bytes from pagevec_move_tail_fn()
    > due to using folios there. Net 96 bytes savings.
    >
    > Also move its declaration to mm/internal.h as it's only used by filemap.c.
    >
    > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
    > Acked-by: Vlastimil Babka <vbabka@suse.cz>
    > Reviewed-by: William Kucharski <william.kucharski@oracle.com>
    > Reviewed-by: Christoph Hellwig <hch@lst.de>
    > Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
    > ---
    > include/linux/swap.h | 1 -
    > mm/filemap.c | 3 ++-
    > mm/internal.h | 1 +
    > mm/page_io.c | 4 ++--
    > mm/swap.c | 30 ++++++++++++++++--------------
    > 5 files changed, 21 insertions(+), 18 deletions(-)

    Acked-by: Mike Rapoport <rppt@linux.ibm.com>

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