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[SPARC64]: Increase top of 32-bit process stack.

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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>
This commit is contained in:
David S. Miller
2006-03-17 17:33:56 -08:00
parent a91690ddd0
commit d61e16df94
5 changed files with 21 additions and 15 deletions
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6
include/asm-sparc64/a.out.h
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@@ -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