linux-kernel - [PATCH] drivers/virtio/virtio_ring.c: Deinline virtqueue

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Message-Id: <1460141926-13069-3-git-send-email-dvlasenk@redhat.com>
Date:	Fri,  8 Apr 2016 20:58:44 +0200
From:	Denys Vlasenko <dvlasenk@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Denys Vlasenko <dvlasenk@...hat.com>,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/virtio/virtio_ring.c: Deinline virtqueue_add, save 1016 bytes

This function compiles to 839 bytes of machine code.
In C, it is ~150 lines long.

This function has 3 callsites.

Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
CC: "Michael S. Tsirkin" <mst@...hat.com>
CC: virtualization@...ts.linux-foundation.org
CC: linux-kernel@...r.kernel.org
---
 drivers/virtio/virtio_ring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index e12e385..77a4771 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -126,7 +126,7 @@ static struct vring_desc *alloc_indirect(struct virtqueue *_vq,
 	return desc;
 }
 
-static inline int virtqueue_add(struct virtqueue *_vq,
+static int virtqueue_add(struct virtqueue *_vq,
 				struct scatterlist *sgs[],
 				unsigned int total_sg,
 				unsigned int out_sgs,
-- 
2.1.0