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| author | Matthew Wilcox <willy@infradead.org> | 2018-07-11 14:02:23 -0700 |
|---|---|---|
| committer | Dominique Martinet <dominique.martinet@cea.fr> | 2018-08-13 09:21:44 +0900 |
| commit | 2557d0c57c0c11af915d0d4d97402527958c0c01 (patch) | |
| tree | 6f396b3331646b3f552e37a47be0bda0ecb1684f /net/9p/trans_virtio.c | |
| parent | f28cdf0430fc92acaa718e15598bdad6cb236a4d (diff) | |
| download | linux-2557d0c57c0c11af915d0d4d97402527958c0c01.tar.gz linux-2557d0c57c0c11af915d0d4d97402527958c0c01.tar.bz2 linux-2557d0c57c0c11af915d0d4d97402527958c0c01.zip | |
9p: Embed wait_queue_head into p9_req_t
On a 64-bit system, the wait_queue_head_t is 24 bytes while the pointer
to it is 8 bytes. Growing the p9_req_t by 16 bytes is better than
performing a 24-byte memory allocation.
Link: http://lkml.kernel.org/r/20180711210225.19730-5-willy@infradead.org
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Diffstat (limited to 'net/9p/trans_virtio.c')
| -rw-r--r-- | net/9p/trans_virtio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index eaacce086427..3f69c428ddf9 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -490,7 +490,7 @@ req_retry_pinned: virtqueue_kick(chan->vq); spin_unlock_irqrestore(&chan->lock, flags); p9_debug(P9_DEBUG_TRANS, "virtio request kicked\n"); - err = wait_event_killable(*req->wq, req->status >= REQ_STATUS_RCVD); + err = wait_event_killable(req->wq, req->status >= REQ_STATUS_RCVD); /* * Non kernel buffers are pinned, unpin them */ |