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inet: frags: remove some helpers

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Remove sum_frag_mem_limit(), ip_frag_mem() & ip6_frag_mem()

Also since we use rhashtable we can bring back the number of fragments
in "grep FRAG /proc/net/sockstat /proc/net/sockstat6" that was
removed in commit 434d305405 ("inet: frag: don't account number
of fragment queues")

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 6befe4a78b)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eric Dumazet
2018-09-13 07:58:42 -07:00
committed by Greg Kroah-Hartman
parent 9aee41eff7
commit bd3df633f1
6 changed files with 6 additions and 23 deletions
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5
include/net/inet_frag.h
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@@ -141,11 +141,6 @@ static inline void add_frag_mem_limit(struct netns_frags *nf, int i)
atomic_add(i, &nf->mem);
}
static inline int sum_frag_mem_limit(struct netns_frags *nf)
{
return atomic_read(&nf->mem);
}
/* RFC 3168 support :
* We want to check ECN values of all fragments, do detect invalid combinations.
* In ipq->ecn, we store the OR value of each ip4_frag_ecn() fragment value.