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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-03-17 17:33:56 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:16:36 -0800 |
| commit | d61e16df940e02e25679bdc1aee8c25786f6de90 (patch) | |
| tree | de76f4007d526835b8564203341ebf66ca29b12d /include | |
| parent | a91690ddd05ab0b7fbdd37733875525ac75c20f2 (diff) | |
| download | lwn-d61e16df940e02e25679bdc1aee8c25786f6de90.tar.gz lwn-d61e16df940e02e25679bdc1aee8c25786f6de90.zip | |
[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.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/asm-sparc64/a.out.h b/include/asm-sparc64/a.out.h index faac321d5594..35cb5c9e0c92 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 |