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sparc: Merge asm-sparc{,64}/shmbuf.h 

Padding in the shmbuf structure made conditional
as only 32 bit sparc did so.

:$ diff -u include/asm-sparc/shmbuf.h include/asm-sparc64/shmbuf.h
:-- include/asm-sparc/shmbuf.h	2008-06-13 06:42:07.000000000 +0200
:++ include/asm-sparc64/shmbuf.h	2008-06-13 06:42:07.000000000 +0200
:@@ -1,23 +1,19 @@
:-#ifndef _SPARC_SHMBUF_H
:-#define _SPARC_SHMBUF_H
:+#ifndef _SPARC64_SHMBUF_H
:+#define _SPARC64_SHMBUF_H
:
: /*
:- * The shmid64_ds structure for sparc architecture.
:+ * The shmid64_ds structure for sparc64 architecture.
:  * Note extra padding because this structure is passed back and forth
:  * between kernel and user space.
:  *
:  * Pad space is left for:
:- * - 64-bit time_t to solve y2038 problem
:- * - 2 miscellaneous 32-bit values
:+ * - 2 miscellaneous 64-bit values
:  */
:
: struct shmid64_ds {
: 	struct ipc64_perm	shm_perm;	/* operation perms */
:-	unsigned int		__pad1;
: 	__kernel_time_t		shm_atime;	/* last attach time */
:-	unsigned int		__pad2;
: 	__kernel_time_t		shm_dtime;	/* last detach time */
:-	unsigned int		__pad3;
: 	__kernel_time_t		shm_ctime;	/* last change time */
: 	size_t			shm_segsz;	/* size of segment (bytes) */
: 	__kernel_pid_t		shm_cpid;	/* pid of creator */
:@@ -39,4 +35,4 @@
: 	unsigned long	__unused4;
: };
:
:-#endif /* _SPARC_SHMBUF_H */
:+#endif /* _SPARC64_SHMBUF_H */

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2008-06-05 23:46:22 +02:00 committed by David S. Miller
parent fcb07081f2
commit 2d1419624c
2 changed files with 12 additions and 41 deletions
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14
include/asm-sparc/shmbuf.h
View File

@ -11,13 +11,19 @@
* - 2 miscellaneous 32-bit values
*/
#if defined(__sparc__) && defined(__arch64__)
# define PADDING(x)
#else
# define PADDING(x) unsigned int x;
#endif
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
unsigned int __pad1;
PADDING(__pad1)
__kernel_time_t shm_atime; /* last attach time */
unsigned int __pad2;
PADDING(__pad2)
__kernel_time_t shm_dtime; /* last detach time */
unsigned int __pad3;
PADDING(__pad3)
__kernel_time_t shm_ctime; /* last change time */
size_t shm_segsz; /* size of segment (bytes) */
__kernel_pid_t shm_cpid; /* pid of creator */
@ -39,4 +45,6 @@ struct shminfo64 {
unsigned long __unused4;
};
#undef PADDING
#endif /* _SPARC_SHMBUF_H */

39
include/asm-sparc64/shmbuf.h
View File

@ -1,38 +1 @@
#ifndef _SPARC64_SHMBUF_H
#define _SPARC64_SHMBUF_H
/*
* The shmid64_ds structure for sparc64 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 2 miscellaneous 64-bit values
*/
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
__kernel_time_t shm_atime; /* last attach time */
__kernel_time_t shm_dtime; /* last detach time */
__kernel_time_t shm_ctime; /* last change time */
size_t shm_segsz; /* size of segment (bytes) */
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
unsigned long shm_nattch; /* no. of current attaches */
unsigned long __unused1;
unsigned long __unused2;
};
struct shminfo64 {
unsigned long shmmax;
unsigned long shmmin;
unsigned long shmmni;
unsigned long shmseg;
unsigned long shmall;
unsigned long __unused1;
unsigned long __unused2;
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _SPARC64_SHMBUF_H */
#include <asm-sparc/shmbuf.h>