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Commit e2f0a0db authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

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: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7751b2da

include/linux/page-flags.h

+3 −3
Original line number Diff line number Diff line
@@ -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)