diff options
Diffstat (limited to 'target/linux/generic/patches-3.18/080-23-fib_trie-Use-empty_children-instead-of-counting-empt.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/080-23-fib_trie-Use-empty_children-instead-of-counting-empt.patch | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/target/linux/generic/patches-3.18/080-23-fib_trie-Use-empty_children-instead-of-counting-empt.patch b/target/linux/generic/patches-3.18/080-23-fib_trie-Use-empty_children-instead-of-counting-empt.patch deleted file mode 100644 index 160fbe1..0000000 --- a/target/linux/generic/patches-3.18/080-23-fib_trie-Use-empty_children-instead-of-counting-empt.patch +++ /dev/null @@ -1,34 +0,0 @@ -From: Alexander Duyck <alexander.h.duyck@redhat.com> -Date: Thu, 22 Jan 2015 15:51:33 -0800 -Subject: [PATCH] fib_trie: Use empty_children instead of counting empty nodes - in stats collection - -It doesn't make much sense to count the pointers ourselves when -empty_children already has a count for the number of NULL pointers stored -in the tnode. As such save ourselves the cycles and just use -empty_children. - -Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - ---- a/net/ipv4/fib_trie.c -+++ b/net/ipv4/fib_trie.c -@@ -1954,16 +1954,10 @@ static void trie_collect_stats(struct tr - hlist_for_each_entry_rcu(li, &n->list, hlist) - ++s->prefixes; - } else { -- unsigned long i; -- - s->tnodes++; - if (n->bits < MAX_STAT_DEPTH) - s->nodesizes[n->bits]++; -- -- for (i = tnode_child_length(n); i--;) { -- if (!rcu_access_pointer(n->child[i])) -- s->nullpointers++; -- } -+ s->nullpointers += n->empty_children; - } - } - rcu_read_unlock(); |