Commit 738e6d30 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller

inet: add a schedule point in inet_twsk_purge()

On a large hash table, we can easily spend seconds to
walk over all entries. Add a cond_resched() to yield
cpu if necessary.
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent db19170b
......@@ -487,6 +487,7 @@ void inet_twsk_purge(struct inet_hashinfo *hashinfo,
for (slot = 0; slot <= hashinfo->ehash_mask; slot++) {
struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
restart_rcu:
cond_resched();
rcu_read_lock();
restart:
sk_nulls_for_each_rcu(sk, node, &head->chain) {
......
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