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linux/net
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Changli Gao ca44ac3861 net: don't reallocate skb->head unless the current one hasn't the needed extra size or is shared 
skb head being allocated by kmalloc(), it might be larger than what
actually requested because of discrete kmem caches sizes. Before
reallocating a new skb head, check if the current one has the needed
extra size.

Do this check only if skb head is not shared.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-12-03 10:59:47 -08:00
..
9p net/9p: Return error on read with NULL buffer 2010-10-28 09:08:49 -05:00
802 net/802: add __rcu annotations 2010-10-25 13:09:44 -07:00
8021q 8021q: vlan device is lockless do not transfer real_num_{tx|rx}_queues 2010-11-28 10:47:19 -08:00
appletalk
atm net: use the macros defined for the members of flowi 2010-11-17 12:27:45 -08:00
ax25 net: ax25: fix information leak to userland 2010-11-10 10:14:33 -08:00
bluetooth Net: bluetooth: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:08 -08:00
bridge net: use the macros defined for the members of flowi 2010-11-17 12:27:45 -08:00
caif Net: caif: Makefile: Remove deprecated items 2010-11-22 08:16:09 -08:00
can Net: can: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:09 -08:00
ceph Net: ceph: Makefile: remove deprecated kbuild goal definitions 2010-11-22 08:16:10 -08:00
core net: don't reallocate skb->head unless the current one hasn't the needed extra size or is shared 2010-12-03 10:59:47 -08:00
dcb
dccp dccp ccid-2: whitespace fix-up 2010-11-18 09:37:07 -08:00
decnet net: use the macros defined for the members of flowi 2010-11-17 12:27:45 -08:00
dns_resolver Net: dns_resolver: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:10 -08:00
dsa phylib: available for any speed ethernet 2010-08-11 23:03:50 -07:00
econet Net: econet: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:11 -08:00
ethernet net: return operator cleanup 2010-09-23 14:33:39 -07:00
ieee802154 ieee802154: Fix possible NULL pointer dereference in wpan_phy_alloc 2010-05-23 23:11:07 -07:00
ipv4 tcp: use TCP_BASE_MSS to set basic mss value 2010-12-02 13:27:32 -08:00
ipv6 ipv6: use ND_REACHABLE_TIME and ND_RETRANS_TIMER instead of magic number 2010-12-02 13:27:32 -08:00
ipx BKL: introduce CONFIG_BKL. 2010-10-21 15:44:13 +02:00
irda Net: irda: irnet: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:13 -08:00
iucv [S390] cleanup lowcore access from external interrupts 2010-10-25 16:10:19 +02:00
key net: return operator cleanup 2010-09-23 14:33:39 -07:00
l2tp net: use the macros defined for the members of flowi 2010-11-17 12:27:45 -08:00
lapb Net: lapb: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:14 -08:00
llc net/llc: storing negative error codes in unsigned short 2010-09-16 22:38:23 -07:00
mac80211 mac80211: implement packet loss notification 2010-11-24 16:19:36 -05:00
netfilter Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-11-19 13:13:47 -08:00
netlabel net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
netlink netlink: fix netlink_change_ngroups() 2010-10-24 16:25:39 -07:00
netrom
packet packet: use vzalloc() 2010-11-21 10:01:42 -08:00
phonet Net: phonet: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:14 -08:00
rds Net: rds: Makefile: Remove deprecated items 2010-11-22 08:16:15 -08:00
rfkill rfkill: remove dead code 2010-11-15 13:24:06 -05:00
rose Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-09-27 01:03:03 -07:00
rxrpc Net: rxrpc: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:15 -08:00
sched net sched: use xps information for qdisc NUMA affinity 2010-12-01 12:47:42 -08:00
sctp net: avoid limits overflow 2010-11-10 12:12:00 -08:00
sunrpc Net: sunrpc: auth_gss: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:16 -08:00
tipc tipc: Delete tipc_ownidentity() 2010-12-02 13:34:06 -08:00
unix af_unix: optimize unix_dgram_poll() 2010-11-08 13:50:09 -08:00
wanrouter Net: wanrouter: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:16 -08:00
wimax Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
wireless cfg80211: allow using CQM event to notify packet loss 2010-11-24 16:19:36 -05:00
x25 X25 remove bkl in call user data length ioctl 2010-11-28 11:12:22 -08:00
xfrm xfrm: make xfrm_bundle_ok local 2010-10-21 03:09:46 -07:00
compat.c net: Limit socket I/O iovec total length to INT_MAX. 2010-10-28 11:47:52 -07:00
Kconfig xps: Add CONFIG_XPS 2010-11-28 18:24:14 -08:00
Makefile ceph: factor out libceph from Ceph file system 2010-10-20 15:37:28 -07:00
nonet.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
socket.c net: net_families __rcu annotations 2010-11-12 13:27:25 -08:00
sysctl_net.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
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