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    Subject[PATCHv9-rebased 17/32] page-flags: relax policy for PG_mappedtodisk and PG_reclaim
    Date
    These flags are in use for file THP.

    Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
    ---
    include/linux/page-flags.h | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
    index 8cf09639185a..74e4dda91238 100644
    --- a/include/linux/page-flags.h
    +++ b/include/linux/page-flags.h
    @@ -295,11 +295,11 @@ PAGEFLAG(OwnerPriv1, owner_priv_1, PF_ANY)
    */
    TESTPAGEFLAG(Writeback, writeback, PF_NO_COMPOUND)
    TESTSCFLAG(Writeback, writeback, PF_NO_COMPOUND)
    -PAGEFLAG(MappedToDisk, mappedtodisk, PF_NO_COMPOUND)
    +PAGEFLAG(MappedToDisk, mappedtodisk, PF_NO_TAIL)

    /* PG_readahead is only used for reads; PG_reclaim is only for writes */
    -PAGEFLAG(Reclaim, reclaim, PF_NO_COMPOUND)
    - TESTCLEARFLAG(Reclaim, reclaim, PF_NO_COMPOUND)
    +PAGEFLAG(Reclaim, reclaim, PF_NO_TAIL)
    + TESTCLEARFLAG(Reclaim, reclaim, PF_NO_TAIL)
    PAGEFLAG(Readahead, reclaim, PF_NO_COMPOUND)
    TESTCLEARFLAG(Readahead, reclaim, PF_NO_COMPOUND)

    --
    2.8.1
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