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authorHerbert Xu <herbert@gondor.apana.org.au>2011-11-18 06:20:04 +0400
committerDavid S. Miller <davem@davemloft.net>2011-11-18 23:37:08 +0400
commit660882432909dbe611f1792eda158188065cb9f1 (patch)
tree101be8ad6357197cff3dcd6daf573dadab2cdd6b /net/packet
parent505a467b66233fd08ac32fca943100130928bf89 (diff)
downloadlinux-660882432909dbe611f1792eda158188065cb9f1.tar.xz
ipv4: Remove all uses of LL_ALLOCATED_SPACE
ipv4: Remove all uses of LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. This patch replaces all uses of LL_ALLOCATED_SPACE in net/ipv4 with the macro LL_RESERVED_SPACE and direct reference to needed_tailroom. This also fixes the problem with needed_headroom changing between allocating the skb and reserving the head room. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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