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| author | Michael S. Tsirkin <mst@redhat.com> | 2012-11-01 09:16:32 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-02 21:29:57 -0400 |
| commit | 149d36f7187cbd10beff88e4e20f93e51a34827e (patch) | |
| tree | 600293aadc93c8f5d5d48bba03fa8087d35e46c7 /drivers/vhost/net.c | |
| parent | 25121173f7b1e4ac3fc692df6e7b8c52ec36abba (diff) | |
| download | linux-149d36f7187cbd10beff88e4e20f93e51a34827e.tar.gz linux-149d36f7187cbd10beff88e4e20f93e51a34827e.tar.bz2 linux-149d36f7187cbd10beff88e4e20f93e51a34827e.zip | |
tun: report orphan frags errors to zero copy callback
When tun transmits a zero copy skb, it orphans the frags
which might need to allocate extra memory, in atomic context.
If that fails, notify ubufs callback before freeing the skb
as a hint that device should disable zerocopy mode.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost/net.c')
0 files changed, 0 insertions, 0 deletions