Re: [PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx

2013-11-04 Thread David Miller
From: Jason Wang Date: Fri, 1 Nov 2013 14:07:48 +0800 > Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable > rx buffers to page frag allocators) try to increase the payload/truesize for > MTU-sized traffic. But this will introduce the extra overhead for GSO packets >

Re: [PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx

2013-11-04 Thread David Miller
From: Jason Wang jasow...@redhat.com Date: Fri, 1 Nov 2013 14:07:48 +0800 Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable rx buffers to page frag allocators) try to increase the payload/truesize for MTU-sized traffic. But this will introduce the extra overhead

Re: [PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx

2013-11-01 Thread Eric Dumazet
On Fri, 2013-11-01 at 14:07 +0800, Jason Wang wrote: > Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable > rx buffers to page frag allocators) try to increase the payload/truesize for > MTU-sized traffic. But this will introduce the extra overhead for GSO packets >

[PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx

2013-11-01 Thread Jason Wang
Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable rx buffers to page frag allocators) try to increase the payload/truesize for MTU-sized traffic. But this will introduce the extra overhead for GSO packets received because of the frag list. This commit tries to reduce

[PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx

2013-11-01 Thread Jason Wang
Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable rx buffers to page frag allocators) try to increase the payload/truesize for MTU-sized traffic. But this will introduce the extra overhead for GSO packets received because of the frag list. This commit tries to reduce

Re: [PATCH net-next V3 2/2] virtio-net: coalesce rx frags when possible during rx

2013-11-01 Thread Eric Dumazet
On Fri, 2013-11-01 at 14:07 +0800, Jason Wang wrote: Commit 2613af0ed18a11d5c566a81f9a6510b73180660a (virtio_net: migrate mergeable rx buffers to page frag allocators) try to increase the payload/truesize for MTU-sized traffic. But this will introduce the extra overhead for GSO packets