From f6d8cb2eeded7df18b821a321d4cd1cdd1754bf8 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Tue, 24 Jun 2014 05:32:48 -0700
Subject: [PATCH] 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>
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