linux-kernel - [PATCH 1/3] skbuff: use kvfree() to deallocate head

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Message-ID: <1566470851-4694-2-git-send-email-jan.dakinevich@virtuozzo.com>
Date:   Thu, 22 Aug 2019 10:48:20 +0000
From:   Jan Dakinevich <jan.dakinevich@...tuozzo.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Denis Lunev <den@...tuozzo.com>,
        Konstantin Khorenko <khorenko@...tuozzo.com>,
        "jan.dakinevich@...il.com" <jan.dakinevich@...il.com>,
        Jan Dakinevich <jan.dakinevich@...tuozzo.com>,
        "David S. Miller" <davem@...emloft.net>,
        "Alexey Kuznetsov (C)" <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
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Subject: [PATCH 1/3] skbuff: use kvfree() to deallocate head

If skb buffer was allocated using vmalloc() it will make simple its
further deallocation.

Signed-off-by: Jan Dakinevich <jan.dakinevich@...tuozzo.com>
---
 net/core/skbuff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 0338820..55eac01 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -588,7 +588,7 @@ static void skb_free_head(struct sk_buff *skb)
 	if (skb->head_frag)
 		skb_free_frag(head);
 	else
-		kfree(head);
+		kvfree(head);
 }
 
 static void skb_release_data(struct sk_buff *skb)
-- 
2.1.4