Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (230 commits)
  [SPARC64]: Update defconfig.
  [SPARC64]: Fix 2 bugs in huge page support.
  [SPARC64]: CONFIG_BLK_DEV_RAM fix
  [SPARC64]: Optimized TSB table initialization.
  [SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
  [SPARC64]: Use SLAB caches for TSB tables.
  [SPARC64]: Don't kill the page allocator when growing a TSB.
  [SPARC64]: Randomize mm->mmap_base when PF_RANDOMIZE is set.
  [SPARC64]: Increase top of 32-bit process stack.
  [SPARC64]: Top-down address space allocation for 32-bit tasks.
  [SPARC64] bbc_i2c: Fix cpu check and add missing module license.
  [SPARC64]: Fix and re-enable dynamic TSB sizing.
  [SUNSU]: Fix missing spinlock initialization.
  [TG3]: Do not try to access NIC_SRAM_DATA_SIG on Sun parts.
  [SPARC64]: First cut at VIS simulator for Niagara.
  [SPARC64]: Fix system type in /proc/cpuinfo and remove bogus OBP check.
  [SPARC64]: Add SMT scheduling support for Niagara.
  [SPARC64]: Fix 32-bit truncation which broke sparsemem.
  [SPARC64]: Move over to sparsemem.
  [SPARC64]: Fix new context version SMP handling.
  ...

1 files changed, 5 insertions, 4 deletions

diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 417727bd87ba..0e41df024489 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -62,6 +62,7 @@
 #include <asm/fpumacro.h>
 #include <asm/semaphore.h>
 #include <asm/mmu_context.h>
+#include <asm/a.out.h>
 
 asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group)
 {
@@ -1039,15 +1040,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
 	unsigned long ret = -EINVAL;
 	unsigned long new_addr = __new_addr;
 
-	if (old_len > 0xf0000000UL || new_len > 0xf0000000UL)
+	if (old_len > STACK_TOP32 || new_len > STACK_TOP32)
 		goto out;
-	if (addr > 0xf0000000UL - old_len)
+	if (addr > STACK_TOP32 - old_len)
 		goto out;
 	down_write(&current->mm->mmap_sem);
 	if (flags & MREMAP_FIXED) {
-		if (new_addr > 0xf0000000UL - new_len)
+		if (new_addr > STACK_TOP32 - new_len)
 			goto out_sem;
-	} else if (addr > 0xf0000000UL - new_len) {
+	} else if (addr > STACK_TOP32 - new_len) {
 		unsigned long map_flags = 0;
 		struct file *file = NULL;