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(parent: bb446c1) | patch
inet: reduce TLB pressure for listeners
authorEric Dumazet <edumazet@google.com>
Tue, 24 Jun 2014 12:32:48 +0000 (05:32 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 25 Jun 2014 23:37:24 +0000 (16:37 -0700)
commitf6d8cb2eeded7df18b821a321d4cd1cdd1754bf8
tree20df27128ea73c6c27f5ad672c112b4dbcff61b1tree | snapshot (tar.gz zip)
parentbb446c19fefd7b4435adb12a9dd7666adc5b553acommit | diff
inet: reduce TLB pressure for listeners

It seems overkill to use vmalloc() for typical listeners with less than
2048 hash buckets. Try kmalloc() and fallback to vmalloc() to reduce TLB
pressure.

Use kvfree() helper as it is now available.
Use ilog2() instead of a loop.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/request_sock.c diff | blob | blame | history