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Alexander Duyck 2996d31f9f net: Stop decapitating clones that have a head_frag 
This change is meant ot prevent stealing the skb->head to use as a page in
the event that the skb->head was cloned.  This allows the other clones to
track each other via shinfo->dataref.

Without this we break down to two methods for tracking the reference count,
one being dataref, the other being the page count.  As a result it becomes
difficult to track how many references there are to skb->head.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2012-05-03 01:34:37 -04:00
..
Makefile sock_diag: Move the sock_ code to net/core/ 2011-12-06 13:58:02 -05:00
datagram.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
dev.c net: make GRO aware of skb->head_frag 2012-04-30 21:35:49 -04:00
dev_addr_lists.c net: addr_list: add exclusive dev_uc_add and dev_mc_add 2012-04-15 13:06:04 -04:00
drop_monitor.c drop_monitor: allow more events per second 2012-04-21 16:28:38 -04:00
dst.c net: Rename dst_get_neighbour{, _raw} to dst_get_neighbour_noref{, _raw}. 2011-12-05 15:20:19 -05:00
ethtool.c ethtool: Add a common function for drivers with transmit time stamping. 2012-04-04 05:28:46 -04:00
fib_rules.c fib_rules: Stop using NLA_PUT*(). 2012-04-02 04:33:44 -04:00
filter.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
flow.c net: Add a flow_cache_flush_deferred function 2011-12-21 16:48:08 -05:00
flow_dissector.c net: flow_dissector.c missing include linux/export.h 2012-01-24 16:03:33 -05:00
gen_estimator.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
gen_stats.c gen_stats: Stop using NLA_PUT*(). 2012-04-02 04:33:44 -04:00
iovec.c net: get rid of some pointless casts to sockaddr 2012-03-11 19:11:22 -07:00
link_watch.c net: linkwatch: allow vlans to get carrier changes faster 2011-09-15 15:36:34 -04:00
neighbour.c net neighbour: Convert to use register_net_sysctl 2012-04-20 21:22:29 -04:00
net-sysfs.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
net-sysfs.h xps: Add CONFIG_XPS 2010-11-28 18:24:14 -08:00
net-traces.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
net_namespace.c netns: do not leak net_generic data on failed init 2012-04-18 00:05:33 -04:00
netevent.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netpoll.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-02-19 16:03:15 -05:00
netprio_cgroup.c Merge branch 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2012-03-20 18:11:21 -07:00
pktgen.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
request_sock.c ipv4:correct description for tcp_max_syn_backlog 2011-12-06 13:02:28 -05:00
rtnetlink.c net: rtnetlink notify events for FDB NTF_SELF adds and deletes 2012-04-15 13:06:04 -04:00
scm.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
secure_seq.c net: fix some sparse errors 2012-01-17 10:31:12 -05:00
skbuff.c net: Stop decapitating clones that have a head_frag 2012-05-03 01:34:37 -04:00
sock.c net: add a prefetch in socket backlog processing 2012-05-01 09:39:48 -04:00
sock_diag.c net: sock_diag_handler structs can be const 2012-04-25 20:46:59 -04:00
stream.c net: Fix the condition passed to sk_wait_event() 2010-10-03 20:41:32 -07:00
sysctl_net_core.c net: Delete all remaining instances of ctl_path 2012-04-20 21:22:30 -04:00
timestamping.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
user_dma.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
utils.c net: Fixed coding style issues relating to braces. 2012-04-12 16:35:48 -04:00