summaryrefslogtreecommitdiff
path: root/drivers/net/virtio_net.c
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 21:14:35 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 21:14:35 +0300
commit8052bd8243e823a0954bcbafda8f91072598f13d (patch)
treee5f1502735c2a75fbe865cf57582d2e8354e6f43 /drivers/net/virtio_net.c
parentd0fabd1cb8b70073a0f44f1cf8b663b5e7241c74 (diff)
parent531c221df182af5a7fc2bf7ba7eee89354fe9a10 (diff)
downloadlinux-8052bd8243e823a0954bcbafda8f91072598f13d.tar.xz
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
Merge branch 'perf/urgent' into perf/core, to pick up fixes Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3e9246cc49c3..a871f45ecc79 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -869,7 +869,7 @@ static unsigned int get_mergeable_buf_len(struct receive_queue *rq,
unsigned int len;
len = hdr_len + clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len),
- rq->min_buf_len - hdr_len, PAGE_SIZE - hdr_len);
+ rq->min_buf_len, PAGE_SIZE - hdr_len);
return ALIGN(len, L1_CACHE_BYTES);
}
@@ -2144,7 +2144,8 @@ static unsigned int mergeable_min_buf_len(struct virtnet_info *vi, struct virtqu
unsigned int buf_len = hdr_len + ETH_HLEN + VLAN_HLEN + packet_len;
unsigned int min_buf_len = DIV_ROUND_UP(buf_len, rq_size);
- return max(min_buf_len, hdr_len);
+ return max(max(min_buf_len, hdr_len) - hdr_len,
+ (unsigned int)GOOD_PACKET_LEN);
}
static int virtnet_find_vqs(struct virtnet_info *vi)