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authorDavid S. Miller <davem@davemloft.net>2013-03-20 12:46:26 -0400
committerDavid S. Miller <davem@davemloft.net>2013-03-20 12:46:26 -0400
commit61816596d1c9026d0ecb20c44f90452c41596ffe (patch)
tree3027ed6dc62f71e14b9d525405747fa0eb8f074d /include/linux/skbuff.h
parent23a9072e3af0d9538e25837fb2b56bb94e4a8e67 (diff)
parentda2191e31409d1058dcbed44e8f53e39a40e86b3 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull in the 'net' tree to get Daniel Borkmann's flow dissector infrastructure change. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index eb2106fe3bb..b66ecc6ef10 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -503,7 +503,7 @@ struct sk_buff {
union {
__u32 mark;
__u32 dropcount;
- __u32 avail_size;
+ __u32 reserved_tailroom;
};
sk_buff_data_t inner_transport_header;
@@ -1292,11 +1292,13 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i,
* do not lose pfmemalloc information as the pages would not be
* allocated using __GFP_MEMALLOC.
*/
- if (page->pfmemalloc && !page->mapping)
- skb->pfmemalloc = true;
frag->page.p = page;
frag->page_offset = off;
skb_frag_size_set(frag, size);
+
+ page = compound_head(page);
+ if (page->pfmemalloc && !page->mapping)
+ skb->pfmemalloc = true;
}
/**
@@ -1451,7 +1453,10 @@ static inline int skb_tailroom(const struct sk_buff *skb)
*/
static inline int skb_availroom(const struct sk_buff *skb)
{
- return skb_is_nonlinear(skb) ? 0 : skb->avail_size - skb->len;
+ if (skb_is_nonlinear(skb))
+ return 0;
+
+ return skb->end - skb->tail - skb->reserved_tailroom;
}
/**