1 files changed, 8 insertions, 9 deletions

diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c
index 0f052fc674d5..e6871cb3fc83 100644
--- a/kernel/sched_cpupri.c
+++ b/kernel/sched_cpupri.c
@@ -27,6 +27,7 @@
  *  of the License.
  */
 
+#include <linux/gfp.h>
 #include "sched_cpupri.h"
 
 /* Convert between a 140 based task->prio, and our 102 based cpupri */
@@ -47,9 +48,7 @@ static int convert_prio(int prio)
 }
 
 #define for_each_cpupri_active(array, idx)                    \
-  for (idx = find_first_bit(array, CPUPRI_NR_PRIORITIES);     \
-       idx < CPUPRI_NR_PRIORITIES;                            \
-       idx = find_next_bit(array, CPUPRI_NR_PRIORITIES, idx+1))
+        for_each_set_bit(idx, array, CPUPRI_NR_PRIORITIES)
 
 /**
  * cpupri_find - find the best (lowest-pri) CPU in the system
@@ -58,7 +57,7 @@ static int convert_prio(int prio)
  * @lowest_mask: A mask to fill in with selected CPUs (or NULL)
  *
  * Note: This function returns the recommended CPUs as calculated during the
- * current invokation.  By the time the call returns, the CPUs may have in
+ * current invocation.  By the time the call returns, the CPUs may have in
  * fact changed priorities any number of times.  While not ideal, it is not
  * an issue of correctness since the normal rebalancer logic will correct
  * any discrepancies created by racing against the uncertainty of the current
@@ -135,26 +134,26 @@ void cpupri_set(struct cpupri *cp, int cpu, int newpri)
         if (likely(newpri != CPUPRI_INVALID)) {
                 struct cpupri_vec *vec = &cp->pri_to_cpu[newpri];
 
-                spin_lock_irqsave(&vec->lock, flags);
+                raw_spin_lock_irqsave(&vec->lock, flags);
 
                 cpumask_set_cpu(cpu, vec->mask);
                 vec->count++;
                 if (vec->count == 1)
                         set_bit(newpri, cp->pri_active);
 
-                spin_unlock_irqrestore(&vec->lock, flags);
+                raw_spin_unlock_irqrestore(&vec->lock, flags);
         }
         if (likely(oldpri != CPUPRI_INVALID)) {
                 struct cpupri_vec *vec  = &cp->pri_to_cpu[oldpri];
 
-                spin_lock_irqsave(&vec->lock, flags);
+                raw_spin_lock_irqsave(&vec->lock, flags);
 
                 vec->count--;
                 if (!vec->count)
                         clear_bit(oldpri, cp->pri_active);
                 cpumask_clear_cpu(cpu, vec->mask);
 
-                spin_unlock_irqrestore(&vec->lock, flags);
+                raw_spin_unlock_irqrestore(&vec->lock, flags);
         }
 
         *currpri = newpri;
@@ -180,7 +179,7 @@ int cpupri_init(struct cpupri *cp, bool bootmem)
         for (i = 0; i < CPUPRI_NR_PRIORITIES; i++) {
                 struct cpupri_vec *vec = &cp->pri_to_cpu[i];
 
-                spin_lock_init(&vec->lock);
+                raw_spin_lock_init(&vec->lock);
                 vec->count = 0;
                 if (!zalloc_cpumask_var(&vec->mask, gfp))
                         goto cleanup;