From mboxrd@z Thu Jan 1 00:00:00 1970 From: jiangyiwen Subject: [PATCH 4/5] VSOCK: modify default rx buf size to improve performance Date: Mon, 5 Nov 2018 15:47:47 +0800 Message-ID: <5BDFF5A3.9000806@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: , , To: , Jason Wang Return-path: Received: from szxga05-in.huawei.com ([45.249.212.191]:14171 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725737AbeKERGP (ORCPT ); Mon, 5 Nov 2018 12:06:15 -0500 Sender: netdev-owner@vger.kernel.org List-ID: 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 --- include/linux/virtio_vsock.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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) */ -- 1.8.3.1