alloc_percpu: add align argument to __alloc_percpu.

This prepares for a real __alloc_percpu, by adding an alignment argument.
Only one place uses __alloc_percpu directly, and that's for a string.

tj: af_inet also uses __alloc_percpu(), update it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Jens Axboe <axboe@kernel.dk>

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;