From 8a7a8544a4f6554ec2d8048ac9f9672f442db5a2 Mon Sep 17 00:00:00 2001 From: Lee Schermerhorn Date: Sat, 18 Oct 2008 20:26:37 -0700 Subject: pageflag helpers for configed-out flags Define proper false/noop inline functions for noreclaim page flags when !defined(CONFIG_UNEVICTABLE_LRU) Signed-off-by: Lee Schermerhorn Signed-off-by: Rik van Riel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/page-flags.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/linux/page-flags.h') diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 57b688cfb5e2..3d31616dcd23 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -162,6 +162,18 @@ static inline int Page##uname(struct page *page) \ #define TESTSCFLAG(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 */ TESTPAGEFLAG(Locked, locked) -- cgit v1.2.3