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[PATCH] gfp_t: infrastructure

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Beginning of gfp_t annotations:

 - -Wbitwise added to CHECKFLAGS
 - old __bitwise renamed to __bitwise__
 - __bitwise defined to either __bitwise__ or nothing, depending on
   __CHECK_ENDIAN__ being defined
 - gfp_t switched from __nocast to __bitwise__
 - force cast to gfp_t added to __GFP_... constants
 - new helper - gfp_zone(); extracts zone bits out of gfp_t value and casts
   the result to int

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro
2005-10-21 02:55:38 -04:00
committed by Linus Torvalds
parent 434f1d10c1
commit af4ca457ea
6 changed files with 34 additions and 28 deletions
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include/linux/types.h
+7 -2
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@@ -151,7 +151,12 @@ typedef unsigned long sector_t;
*/
#ifdef __CHECKER__
#define __bitwise __attribute__((bitwise))
#define __bitwise__ __attribute__((bitwise))
#else
#define __bitwise__
#endif
#ifdef __CHECK_ENDIAN__
#define __bitwise __bitwise__
#else
#define __bitwise
#endif
@@ -166,7 +171,7 @@ typedef __u64 __bitwise __be64;
#endif
#ifdef __KERNEL__
typedef unsigned __nocast gfp_t;
typedef unsigned __bitwise__ gfp_t;
#endif
struct ustat {