[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>
diff --git a/include/asm-sparc64/a.out.h b/include/asm-sparc64/a.out.h
index faac321..35cb5c9 100644
--- a/include/asm-sparc64/a.out.h
+++ b/include/asm-sparc64/a.out.h
@@ -95,9 +95,11 @@
#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