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[4/5] VSOCK: modify default rx buf size to improve performance

Message ID 5BDFF5A3.9000806@huawei.com
State Changes Requested, archived
Delegated to: David Miller
Headers show
Series VSOCK: support mergeable rx buffer in vhost-vsock | expand

Commit Message

jiangyiwen Nov. 5, 2018, 7:47 a.m. UTC
Since VSOCK already support mergeable rx buffer, so it can
implement the balance with performance and guest memory,
we can increase the default rx buffer size to improve
performance.

Signed-off-by: Yiwen Jiang <jiangyiwen@huawei.com>
---
 include/linux/virtio_vsock.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 6be3cd7..594e720 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -10,7 +10,7 @@ 
 #define VIRTIO_VSOCK_DEFAULT_MIN_BUF_SIZE	128
 #define VIRTIO_VSOCK_DEFAULT_BUF_SIZE		(1024 * 256)
 #define VIRTIO_VSOCK_DEFAULT_MAX_BUF_SIZE	(1024 * 256)
-#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE	(1024 * 4)
+#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE	(1024 * 64)
 #define VIRTIO_VSOCK_MAX_BUF_SIZE		0xFFFFFFFFUL
 #define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE		(1024 * 64)
 /* virtio_vsock_pkt + max_pkt_len(default MAX_PKT_BUF_SIZE) */