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types.h: move misplaced comment

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This comment landed in the wrong place.

Cc: Andi Kleen <andi@firstfloor.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Paris <eparis@redhat.com>
Cc: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2010-10-26 14:21:10 -07:00 committed by Linus Torvalds
parent f8f72ad539
commit a75d377686
1 changed files with 10 additions and 10 deletions
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20
include/linux/types.h
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@ -121,15 +121,7 @@ typedef __u64 u_int64_t;
typedef __s64 int64_t;
#endif
/*
* aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
* common 32/64-bit compat problems.
* 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
* architectures) and to 8-byte boundaries on 64-bit architetures. The new
* aligned_64 type enforces 8-byte alignment so that structs containing
* aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
* No conversions are necessary between 32-bit user-space and a 64-bit kernel.
*/
/* this is a special 64bit data type that is 8-byte aligned */
#define aligned_u64 __u64 __attribute__((aligned(8)))
#define aligned_be64 __be64 __attribute__((aligned(8)))
#define aligned_le64 __le64 __attribute__((aligned(8)))
@ -186,7 +178,15 @@ typedef __u64 __bitwise __be64;
typedef __u16 __bitwise __sum16;
typedef __u32 __bitwise __wsum;
/* this is a special 64bit data type that is 8-byte aligned */
/*
* aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
* common 32/64-bit compat problems.
* 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
* architectures) and to 8-byte boundaries on 64-bit architetures. The new
* aligned_64 type enforces 8-byte alignment so that structs containing
* aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
* No conversions are necessary between 32-bit user-space and a 64-bit kernel.
*/
#define __aligned_u64 __u64 __attribute__((aligned(8)))
#define __aligned_be64 __be64 __attribute__((aligned(8)))
#define __aligned_le64 __le64 __attribute__((aligned(8)))