IB/uverbs: Pack struct ib_uverbs_event_file tighter

Eliminate some padding in the structure by rearranging the members.
sizeof(struct ib_uverbs_event_file) is now 72 bytes (from 80) and
more members now fit in the first cacheline.

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index e695f65328a38e53b45880e312abc584baeea791..e54d9ac6d1cabee6a14e25dc5ce94939d5d2910e 100644 (file)
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -80,13 +80,13 @@ struct ib_uverbs_device {
 
 struct ib_uverbs_event_file {
        struct kref                             ref;
+       int                                     is_async;
        struct ib_uverbs_file                  *uverbs_file;
        spinlock_t                              lock;
+       int                                     is_closed;
        wait_queue_head_t                       poll_wait;
        struct fasync_struct                   *async_queue;
        struct list_head                        event_list;
-       int                                     is_async;
-       int                                     is_closed;
 };
 
 struct ib_uverbs_file {