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| author | Lee Schermerhorn <lee.schermerhorn@hp.com> | 2008-10-18 20:26:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 08:50:26 -0700 |
| commit | 8a7a8544a4f6554ec2d8048ac9f9672f442db5a2 (patch) | |
| tree | 9d64d0774f5aeb2828c51b19bce02c1e63c4725e /include/linux/page-flags.h | |
| parent | 33c120ed2843090e2bd316de1588b8bf8b96cbde (diff) | |
| download | linux-8a7a8544a4f6554ec2d8048ac9f9672f442db5a2.tar.gz linux-8a7a8544a4f6554ec2d8048ac9f9672f442db5a2.tar.bz2 linux-8a7a8544a4f6554ec2d8048ac9f9672f442db5a2.zip | |
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 <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 12 |
1 files changed, 12 insertions, 0 deletions
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) |