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(parent: 84b7187) | patch
sock: allocate skbs from optmem
authorWillem de Bruijn <willemb@google.com>
Thu, 3 Aug 2017 20:29:37 +0000 (16:29 -0400)
committerDavid S. Miller <davem@davemloft.net>
Fri, 4 Aug 2017 04:37:29 +0000 (21:37 -0700)
commit98ba0bd5505dcbb90322a4be07bcfe6b8a18c73f
treee9c2bbb059a118f41a5acf90e2a349ab704d8863tree | snapshot
parent84b7187ca2338832e3af58eb5123c02bb6921e4ecommit | diff
sock: allocate skbs from optmem

Add sock_omalloc and sock_ofree to be able to allocate control skbs,
for instance for looping errors onto sk_error_queue.

The transmit budget (sk_wmem_alloc) is involved in transmit skb
shaping, most notably in TCP Small Queues. Using this budget for
control packets would impact transmission.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/sock.h diff | blob | history
net/core/sock.c diff | blob | history
Domain: System / Kernel;