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-rw-r--r--block/blktrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index 39cc3bfe56e4..487766237d28 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -363,7 +363,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
if (!bt->sequence)
goto err;
- bt->msg_data = __alloc_percpu(BLK_TN_MAX_MSG);
+ bt->msg_data = __alloc_percpu(BLK_TN_MAX_MSG, __alignof__(char));
if (!bt->msg_data)
goto err;