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Commit 8a7a8544 authored by Lee Schermerhorn's avatar Lee Schermerhorn Committed by Linus Torvalds
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pageflag helpers for configed-out flags 



Define proper false/noop inline functions for noreclaim page flags when
!defined(CONFIG_UNEVICTABLE_LRU)

Signed-off-by: default avatarLee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: default avatarRik van Riel <riel@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 33c120ed

include/linux/page-flags.h

+12 −0
Original line number Original line Diff line number Diff line
@@ -162,6 +162,18 @@ static inline int Page##uname(struct page *page) \ 
#define TESTSCFLAG(uname, lname)					\

#define TESTSCFLAG(uname, lname)					\

	TESTSETFLAG(uname, lname) TESTCLEARFLAG(uname, lname)

	TESTSETFLAG(uname, lname) TESTCLEARFLAG(uname, lname)





#define SETPAGEFLAG_NOOP(uname)						\

static inline void SetPage##uname(struct page *page) {  }



#define CLEARPAGEFLAG_NOOP(uname)					\

static inline void ClearPage##uname(struct page *page) {  }



#define __CLEARPAGEFLAG_NOOP(uname)					\

static inline void __ClearPage##uname(struct page *page) {  }



#define TESTCLEARFLAG_FALSE(uname)					\

static inline int TestClearPage##uname(struct page *page) { return 0; }



struct page;	/* forward declaration */

struct page;	/* forward declaration */





TESTPAGEFLAG(Locked, locked)

TESTPAGEFLAG(Locked, locked)