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Diffstat (limited to 'mm/percpu.c')
-rw-r--r--mm/percpu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/percpu.c b/mm/percpu.c
index 626e43c9949..b336638d20e 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1269,7 +1269,7 @@ 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;
@@ -1277,6 +1277,8 @@ 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);