netdev - [PATCH] netfilter: ebtables: allocate chainstack on CPU local nodes

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Date:   Sun, 10 Oct 2021 11:24:39 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     pablo@...filter.org
Cc:     kadlec@...filter.org, fw@...len.de,
        netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
        dave@...olabs.net, Davidlohr Bueso <dbueso@...e.de>
Subject: [PATCH] netfilter: ebtables: allocate chainstack on CPU local nodes

Keep the per-CPU memory allocated for chainstacks local.

Signed-off-by: Davidlohr Bueso <dbueso@...e.de>
---
 net/bridge/netfilter/ebtables.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 83d1798dfbb4..ba045f35114d 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -926,7 +926,9 @@ static int translate_table(struct net *net, const char *name,
 			return -ENOMEM;
 		for_each_possible_cpu(i) {
 			newinfo->chainstack[i] =
-			  vmalloc(array_size(udc_cnt, sizeof(*(newinfo->chainstack[0]))));
+			  vmalloc_node(array_size(udc_cnt,
+					  sizeof(*(newinfo->chainstack[0]))),
+				       cpu_to_node(i));
 			if (!newinfo->chainstack[i]) {
 				while (i)
 					vfree(newinfo->chainstack[--i]);
-- 
2.26.2