commit d61e16df940e02e25679bdc1aee8c25786f6de90
author David S. Miller <davem@sunset.davemloft.net> Fri Mar 17 17:33:56 2006 -0800
committer David S. Miller <davem@sunset.davemloft.net> Mon Mar 20 01:16:36 2006 -0800
tree de76f4007d526835b8564203341ebf66ca29b12d
parent a91690ddd05ab0b7fbdd37733875525ac75c20f2

[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>

arch/sparc64/solaris/misc.c

diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c
index 3ab4677..5284996 100644
--- a/arch/sparc64/solaris/misc.c
+++ b/arch/sparc64/solaris/misc.c
@@ -90,7 +90,7 @@
 	len = PAGE_ALIGN(len);
 	if(!(flags & MAP_FIXED))
 		addr = 0;
-	else if (len > 0xf0000000UL || addr > 0xf0000000UL - len)
+	else if (len > STACK_TOP32 || addr > STACK_TOP32 - len)
 		goto out_putf;
 	ret_type = flags & _MAP_NEW;
 	flags &= ~_MAP_NEW;
@@ -102,7 +102,7 @@
 			 (unsigned long) prot, (unsigned long) flags, off);
 	up_write(&current->mm->mmap_sem);
 	if(!ret_type)
-		retval = ((retval < 0xf0000000) ? 0 : retval);
+		retval = ((retval < STACK_TOP32) ? 0 : retval);
 	                        
 out_putf:
 	if (file)