From 74d00a8c3849c1340efd713eb94b786e304c201f Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 25 Dec 2016 20:11:34 +0100 Subject: kernel: split patches folder up into backport, pending and hack folders * properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin --- ...ll-back-to-slen-update-on-inflate-halve-f.patch | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 target/linux/generic/pending-3.18/080-21-fib_trie-Fall-back-to-slen-update-on-inflate-halve-f.patch (limited to 'target/linux/generic/pending-3.18/080-21-fib_trie-Fall-back-to-slen-update-on-inflate-halve-f.patch') diff --git a/target/linux/generic/pending-3.18/080-21-fib_trie-Fall-back-to-slen-update-on-inflate-halve-f.patch b/target/linux/generic/pending-3.18/080-21-fib_trie-Fall-back-to-slen-update-on-inflate-halve-f.patch new file mode 100644 index 0000000000..058b33bf9d --- /dev/null +++ b/target/linux/generic/pending-3.18/080-21-fib_trie-Fall-back-to-slen-update-on-inflate-halve-f.patch @@ -0,0 +1,61 @@ +From: Alexander Duyck +Date: Thu, 22 Jan 2015 15:51:20 -0800 +Subject: [PATCH] fib_trie: Fall back to slen update on inflate/halve failure + +This change corrects an issue where if inflate or halve fails we were +exiting the resize function without at least updating the slen for the +node. To correct this I have moved the update of max_size into the while +loop so that it is only decremented on a successful call to either inflate +or halve. + +Signed-off-by: Alexander Duyck +Signed-off-by: David S. Miller +--- + +--- a/net/ipv4/fib_trie.c ++++ b/net/ipv4/fib_trie.c +@@ -752,7 +752,7 @@ static void resize(struct trie *t, struc + { + struct tnode *tp = node_parent(tn), *n = NULL; + struct tnode __rcu **cptr; +- int max_work; ++ int max_work = MAX_WORK; + + pr_debug("In tnode_resize %p inflate_threshold=%d threshold=%d\n", + tn, inflate_threshold, halve_threshold); +@@ -775,8 +775,7 @@ static void resize(struct trie *t, struc + /* Double as long as the resulting node has a number of + * nonempty nodes that are above the threshold. + */ +- max_work = MAX_WORK; +- while (should_inflate(tp, tn) && max_work--) { ++ while (should_inflate(tp, tn) && max_work) { + if (inflate(t, tn)) { + #ifdef CONFIG_IP_FIB_TRIE_STATS + this_cpu_inc(t->stats->resize_node_skipped); +@@ -784,6 +783,7 @@ static void resize(struct trie *t, struc + break; + } + ++ max_work--; + tn = rtnl_dereference(*cptr); + } + +@@ -794,8 +794,7 @@ static void resize(struct trie *t, struc + /* Halve as long as the number of empty children in this + * node is above threshold. + */ +- max_work = MAX_WORK; +- while (should_halve(tp, tn) && max_work--) { ++ while (should_halve(tp, tn) && max_work) { + if (halve(t, tn)) { + #ifdef CONFIG_IP_FIB_TRIE_STATS + this_cpu_inc(t->stats->resize_node_skipped); +@@ -803,6 +802,7 @@ static void resize(struct trie *t, struc + break; + } + ++ max_work--; + tn = rtnl_dereference(*cptr); + } + -- cgit v1.2.3