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net: modify skb_rbtree_purge to return the truesize of all purged skbs.

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commit 385114dec8 upstream.

Tested: see the next patch is the series.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Peter Oskolkov <posk@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Oskolkov
2018-10-10 12:30:09 -07:00
committed by Greg Kroah-Hartman
parent ef0f963de1
commit 26cfea3c1d
2 changed files with 6 additions and 2 deletions
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2
include/linux/skbuff.h
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@@ -2278,7 +2278,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list)
kfree_skb(skb);
}
void skb_rbtree_purge(struct rb_root *root);
unsigned int skb_rbtree_purge(struct rb_root *root);
void *netdev_alloc_frag(unsigned int fragsz);