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| author | Alexander Duyck | 2015-05-07 06:12:03 +0200 |
|---|---|---|
| committer | David S. Miller | 2015-05-12 16:39:26 +0200 |
| commit | 181edb2bfa22b50817684135ab6430ed2808abf0 (patch) | |
| tree | 3715f6eb8768c5a8ef58dff4524ccfe3d87344d6 /include/linux/skbuff.h | |
| parent | mm/net: Rename and move page fragment handling from net/ to mm/ (diff) | |
| download | kernel-qcow2-linux-181edb2bfa22b50817684135ab6430ed2808abf0.tar.gz kernel-qcow2-linux-181edb2bfa22b50817684135ab6430ed2808abf0.tar.xz kernel-qcow2-linux-181edb2bfa22b50817684135ab6430ed2808abf0.zip | |
net: Add skb_free_frag to replace use of put_page in freeing skb->head
This change adds a function called skb_free_frag which is meant to
compliment the function netdev_alloc_frag. The general idea is to enable a
more lightweight version of page freeing since we don't actually need all
the overhead of a put_page, and we don't quite fit the model of __free_pages.
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 0039fcc45b3b..c0b574a414e7 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2182,6 +2182,11 @@ static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev, return __netdev_alloc_skb_ip_align(dev, length, GFP_ATOMIC); } +static inline void skb_free_frag(void *addr) +{ + __free_page_frag(addr); +} + void *napi_alloc_frag(unsigned int fragsz); struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int length, gfp_t gfp_mask); |