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(parent: 0a5c047) | patch
net: Add helper flowi4_init_output().
authorDavid S. Miller <davem@davemloft.net>
Thu, 31 Mar 2011 11:52:14 +0000 (04:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 31 Mar 2011 11:52:14 +0000 (04:52 -0700)
commit83229aa5e2c242163599266a686483e3b91ec07e
treee4dad24604077a6ca1cd1542e3d3de8b6365cedctree | snapshot
parent0a5c047507aaaf00519921336d19c0f8f5f9f363commit | diff
net: Add helper flowi4_init_output().

On-stack initialization via assignment of flow structures are
expensive because GCC emits a memset() to clear the entire
structure out no matter what.

Add a helper for ipv4 output flow key setup which we can use to avoid
the memset.

Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/flow.h diff | blob | history
Domain: System / Kernel;