Merge branch 'core/percpu' into perfcounters/core

Conflicts:
	arch/x86/include/asm/hardirq_32.h
	arch/x86/include/asm/hardirq_64.h

Semantic merge:
	arch/x86/include/asm/hardirq.h
	[ added apic_perf_irqs field. ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 4 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 29f4b790751c..a1b18c03b4c0 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -980,12 +980,9 @@ static void check_stack_usage(void)
 {
         static DEFINE_SPINLOCK(low_water_lock);
         static int lowest_to_date = THREAD_SIZE;
-        unsigned long *n = end_of_stack(current);
         unsigned long free;
 
-        while (*n == 0)
-                n++;
-        free = (unsigned long)n - (unsigned long)end_of_stack(current);
+        free = stack_not_used(current);
 
         if (free >= lowest_to_date)
                 return;