Commit acffb584 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

net: diag: add a scheduling point in inet_diag_dump_icsk()

On loaded TCP servers, looking at millions of sockets can hold
cpu for many seconds, if the lookup condition is very narrow.

(eg : ss dst 1.2.3.4 )

Better add a cond_resched() to allow other processes to access
the cpu.
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e3ebd894
...@@ -879,6 +879,7 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb, ...@@ -879,6 +879,7 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
} }
spin_unlock_bh(lock); spin_unlock_bh(lock);
cond_resched();
} }
done: done:
......
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