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| author |   Eric Dumazet <edumazet@google.com> | 2018-03-31 13:16:25 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-04-01 14:08:21 -0400 |
| commit | 694aba690de062cf27b28a5e56e7a5a7185b0a1c (patch) | |
| tree | 1fbdc27ecff23dc1babcf50d1fd9884d84d800ee /net/unix/af_unix.c | |
| parent | Revert "net: usb: asix88179_178a: de-duplicate code" (diff) | |
| download | wireguard-linux-694aba690de062cf27b28a5e56e7a5a7185b0a1c.tar.xz wireguard-linux-694aba690de062cf27b28a5e56e7a5a7185b0a1c.zip | |
ipv4: factorize sk_wmem_alloc updates done by __ip_append_data()
While testing my inet defrag changes, I found that the senders
could spend ~20% of cpu cycles in skb_set_owner_w() updating
sk->sk_wmem_alloc for every fragment they cook.
The solution to this problem is to use alloc_skb() instead
of sock_wmalloc() and manually perform a single sk_wmem_alloc change.
Similar change for IPv6 is provided in following patch.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions