af_iucv: use paged SKBs for big outbound messages

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When an outbound message is bigger than a page, allocate and fill
a paged SKB, and subsequently use IUCV send primitive with IPBUFLST
flag. This relaxes the pressure to allocate big contiguous kernel
buffers.

Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eugene Crosser 2016-06-13 18:46:14 +02:00 • committed by David S. Miller

parent 818d49ad16

commit e53743994e

1 changed files with 77 additions and 47 deletions

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net/iucv/af_iucv.c

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