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authorDavid S. Miller <davem@sunset.davemloft.net>2006-03-17 17:33:56 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 01:16:36 -0800
commitd61e16df940e02e25679bdc1aee8c25786f6de90 (patch)
treede76f4007d526835b8564203341ebf66ca29b12d /include
parenta91690ddd05ab0b7fbdd37733875525ac75c20f2 (diff)
[SPARC64]: Increase top of 32-bit process stack.
Put it one page below the top of the 32-bit address space. This gives us ~16MB more address space to work with. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/asm-sparc64/a.out.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/asm-sparc64/a.out.h b/include/asm-sparc64/a.out.h
index faac321d559..35cb5c9e0c9 100644
--- a/include/asm-sparc64/a.out.h
+++ b/include/asm-sparc64/a.out.h
@@ -95,9 +95,11 @@ struct relocation_info /* used when header.a_machtype == M_SPARC */
#ifdef __KERNEL__
+#define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE)
+#define STACK_TOP64 (0x0000080000000000UL - (1UL << 32UL))
+
#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
- 0xf0000000 : \
- (0x0000080000000000UL - (1UL << 32UL)))
+ STACK_TOP32 : STACK_TOP64)
#endif