tree 20df27128ea73c6c27f5ad672c112b4dbcff61b1
parent bb446c19fefd7b4435adb12a9dd7666adc5b553a
author Eric Dumazet <edumazet@google.com> 1403613168 -0700
committer David S. Miller <davem@davemloft.net> 1403739444 -0700

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>