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authorDavid Howells <dhowells@redhat.com>2008-02-08 04:19:26 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:29 -0800
commit922a70d327bd4b11342c2afd08e20d35f52064c3 (patch)
treeaff7e43fa600363128c15c4b9a1ceba3869aac15 /include/asm-powerpc/processor.h
parent3eb056764dd806bbe84eb604e45e7470feeaafd8 (diff)
aout: move STACK_TOP[_MAX] to asm/processor.h
Move STACK_TOP[_MAX] out of asm/a.out.h and into asm/processor.h as they're required whether or not A.OUT format is available. Signed-off-by: David Howells <dhowells@redhat.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-powerpc/processor.h')
-rw-r--r--include/asm-powerpc/processor.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 1f4765d6546..fd98ca998b4 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -113,6 +113,25 @@ extern struct task_struct *last_task_used_spe;
TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
#endif
+#ifdef __KERNEL__
+#ifdef __powerpc64__
+
+#define STACK_TOP_USER64 TASK_SIZE_USER64
+#define STACK_TOP_USER32 TASK_SIZE_USER32
+
+#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
+ STACK_TOP_USER32 : STACK_TOP_USER64)
+
+#define STACK_TOP_MAX STACK_TOP_USER64
+
+#else /* __powerpc64__ */
+
+#define STACK_TOP TASK_SIZE
+#define STACK_TOP_MAX STACK_TOP
+
+#endif /* __powerpc64__ */
+#endif /* __KERNEL__ */
+
typedef struct {
unsigned long seg;
} mm_segment_t;