1 files changed, 3 insertions, 2 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 4a57e96dd6c7..ab562ae4007c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -71,6 +71,7 @@
 #include <linux/debugfs.h>
 #include <linux/ctype.h>
 #include <linux/ftrace.h>
+#include <linux/slab.h>
 
 #include <asm/tlb.h>
 #include <asm/irq_regs.h>
@@ -4809,7 +4810,7 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
         int ret;
         cpumask_var_t mask;
 
-        if (len < nr_cpu_ids)
+        if ((len * BITS_PER_BYTE) < nr_cpu_ids)
                 return -EINVAL;
         if (len & (sizeof(unsigned long)-1))
                 return -EINVAL;
@@ -5305,7 +5306,7 @@ again:
 
                 get_task_struct(mt);
                 task_rq_unlock(rq, &flags);
-                wake_up_process(rq->migration_thread);
+                wake_up_process(mt);
                 put_task_struct(mt);
                 wait_for_completion(&req.done);
                 tlb_migrate_finish(p->mm);