[PATCH] arm: task_stack_page()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 373c0959bc2f..7338948bd7d3 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -114,7 +114,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
          * We need to tell the secondary core where to find
          * its stack and the page tables.
          */
-        secondary_data.stack = (void *)idle->thread_info + THREAD_START_SP;
+        secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
         secondary_data.pgdir = virt_to_phys(pgd);
         wmb();
 
@@ -245,7 +245,7 @@ void __cpuexit cpu_die(void)
         __asm__("mov    sp, %0\n"
         "       b       secondary_start_kernel"
                 :
-                : "r" ((void *)current->thread_info + THREAD_SIZE - 8));
+                : "r" (task_stack_page(current) + THREAD_SIZE - 8));
 }
 #endif /* CONFIG_HOTPLUG_CPU */