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net: remove bh disabling around percpu_counter accesses

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Shaohua Li made percpu_counter irq safe in commit 098faf5805
("percpu_counter: make APIs irq safe")

We can safely remove BH disable/enable sections around various
percpu_counter manipulations.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-01-20 05:06:08 -08:00 • committed by David S. Miller
parent 0a327889f6
commit c2a2efbbfc
6 changed files with 3 additions and 23 deletions
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8
include/net/inet_frag.h
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@ -164,13 +164,7 @@ static inline void add_frag_mem_limit(struct netns_frags *nf, int i)
static inline unsigned int sum_frag_mem_limit(struct netns_frags *nf)
{
unsigned int res;
local_bh_disable();
res = percpu_counter_sum_positive(&nf->mem);
local_bh_enable();
return res;
return percpu_counter_sum_positive(&nf->mem);
}
/* RFC 3168 support :