diff options
| -rw-r--r-- | mm/percpu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/percpu.c b/mm/percpu.c index 442010cc91c6..083e7c91e5f6 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1271,7 +1271,7 @@ static void pcpu_reclaim(struct work_struct *work) */ void free_percpu(void *ptr) { - void *addr = __pcpu_ptr_to_addr(ptr); + void *addr; struct pcpu_chunk *chunk; unsigned long flags; int off; @@ -1279,6 +1279,8 @@ void free_percpu(void *ptr) if (!ptr) return; + addr = __pcpu_ptr_to_addr(ptr); + spin_lock_irqsave(&pcpu_lock, flags); chunk = pcpu_chunk_addr_search(addr); |