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Date: Thu, 18 Aug 2016 12:33:28 +0800 From: Xunlei Pang <xlpang@...hat.com> To: "David S. Miller" <davem@...emloft.net>, Alexander Duyck <alexander.h.duyck@...hat.com> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Xunlei Pang <xlpang@...hat.com> Subject: [PATCH] fib_trie: Fix the description of pos and bits 1) Fix one typo: s/tn/tp/ 2) Fix the description about the "u" bits. Signed-off-by: Xunlei Pang <xlpang@...hat.com> --- net/ipv4/fib_trie.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index d07fc07..eb7c5d1 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -249,7 +249,7 @@ static inline unsigned long get_index(t_key key, struct key_vector *kv) * index into the parent's child array. That is, they will be used to find * 'n' among tp's children. * - * The bits from (n->pos + n->bits) to (tn->pos - 1) - "S" - are skipped bits + * The bits from (n->pos + n->bits) to (tp->pos - 1) - "S" - are skipped bits * for the node n. * * All the bits we have seen so far are significant to the node n. The rest @@ -258,7 +258,7 @@ static inline unsigned long get_index(t_key key, struct key_vector *kv) * The bits from (n->pos) to (n->pos + n->bits - 1) - "C" - are the index into * n's child array, and will of course be different for each child. * - * The rest of the bits, from 0 to (n->pos + n->bits), are completely unknown + * The rest of the bits, from 0 to (n->pos -1) - "u" - are completely unknown * at this point. */ -- 1.8.3.1
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