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authorThomas Gleixner <tglx@linutronix.de>2007-10-23 22:37:24 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-23 22:37:24 +0200
commit079091a450ed5a0001c2ee9dadd8ddaceddb91b5 (patch)
tree38f08cadd02fc5cff5718d2615ad586329c432f6 /include/asm-x86/shmbuf.h
parent8fc37f2c474b8ea61186fd77193324845432447b (diff)
x86: merge shmbuf_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/shmbuf.h')
-rw-r--r--include/asm-x86/shmbuf.h62
1 files changed, 50 insertions, 12 deletions
diff --git a/include/asm-x86/shmbuf.h b/include/asm-x86/shmbuf.h
index e85f1cb11217..b51413b74971 100644
--- a/include/asm-x86/shmbuf.h
+++ b/include/asm-x86/shmbuf.h
@@ -1,13 +1,51 @@
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-# include "shmbuf_32.h"
-# else
-# include "shmbuf_64.h"
-# endif
-#else
-# ifdef __i386__
-# include "shmbuf_32.h"
-# else
-# include "shmbuf_64.h"
-# endif
+#ifndef _ASM_X86_SHMBUF_H
+#define _ASM_X86_SHMBUF_H
+
+/*
+ * The shmid64_ds structure for x86 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space on 32 bit is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ *
+ * Pad space on 64 bit is left for:
+ * - 2 miscellaneous 64-bit values
+ */
+
+struct shmid64_ds {
+ struct ipc64_perm shm_perm; /* operation perms */
+ size_t shm_segsz; /* size of segment (bytes) */
+ __kernel_time_t shm_atime; /* last attach time */
+#ifdef __i386__
+ unsigned long __unused1;
#endif
+ __kernel_time_t shm_dtime; /* last detach time */
+#ifdef __i386__
+ unsigned long __unused2;
+#endif
+ __kernel_time_t shm_ctime; /* last change time */
+#ifdef __i386__
+ unsigned long __unused3;
+#endif
+ __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 __unused4;
+ unsigned long __unused5;
+};
+
+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 /* _ASM_X86_SHMBUF_H */