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page-flags: relax policy for PG_mappedtodisk and PG_reclaim 

These flags are in use for file THP.

Link: http://lkml.kernel.org/r/1466021202-61880-23-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2016-07-26 15:25:59 -07:00 committed by Linus Torvalds
parent 7751b2da6b
commit e2f0a0db95
1 changed files with 3 additions and 3 deletions
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6
include/linux/page-flags.h
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@ -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)