net: add alloc_skb_with_frags() helper

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Extract from sock_alloc_send_pskb() code building skb with frags,
so that we can reuse this in other contexts.

Intent is to use it from tcp_send_rcvq(), tcp_collapse(), ...

We also want to replace some skb_linearize() calls to a more reliable
strategy in pathological cases where we need to reduce number of frags.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-09-17 04:49:49 -07:00 • committed by David S. Miller

parent cb93471acc

commit 2e4e441071

3 changed files with 99 additions and 63 deletions

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6

include/linux/skbuff.h

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