linux_dsm_epyc7002/net/core
Herbert Xu 5b057c6b1a [NET]: Avoid allocating skb in skb_pad
First of all it is unnecessary to allocate a new skb in skb_pad since
the existing one is not shared.  More importantly, our hard_start_xmit
interface does not allow a new skb to be allocated since that breaks
requeueing.

This patch uses pskb_expand_head to expand the existing skb and linearize
it if needed.  Actually, someone should sift through every instance of
skb_pad on a non-linear skb as they do not fit the reasons why this was
originally created.

Incidentally, this fixes a minor bug when the skb is cloned (tcpdump,
TCP, etc.).  As it is skb_pad will simply write over a cloned skb.  Because
of the position of the write it is unlikely to cause problems but still
it's best if we don't do it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-23 02:06:41 -07:00
..
datagram.c [PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications 2006-03-25 08:22:56 -08:00
dev_mcast.c [NET]: Add netif_tx_lock 2006-06-17 21:30:14 -07:00
dev.c [NET]: Add NETIF_F_GEN_CSUM and NETIF_F_ALL_CSUM 2006-06-17 22:06:05 -07:00
dst.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
dv.c [NET]: More kzalloc conversions. 2006-04-09 22:25:48 -07:00
ethtool.c [ETHTOOL]: Fix UFO typo 2006-06-17 23:00:20 -07:00
filter.c unaligned access in sk_run_filter() 2006-04-18 15:57:54 -07:00
flow.c [PATCH] for_each_possible_cpu: network codes 2006-04-11 06:18:31 -07:00
gen_estimator.c [NET]: More kzalloc conversions. 2006-04-09 22:25:48 -07:00
gen_stats.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
iovec.c [PATCH] misc verify_area cleanups 2005-05-01 08:59:08 -07:00
link_watch.c [NET] linkwatch: Handle jiffies wrap-around 2006-05-09 15:27:54 -07:00
Makefile [I/OAT]: Utility functions for offloading sk_buff to iovec copies 2006-06-17 21:25:46 -07:00
neighbour.c [NEIGH]: Fix IP-over-ATM and ARP interaction. 2006-05-12 14:56:08 -07:00
net-sysfs.c [NET]: Create netdev attribute_groups with class_device_add 2006-05-06 17:56:03 -07:00
netpoll.c [NET]: Add netif_tx_lock 2006-06-17 21:30:14 -07:00
pktgen.c [NET]: Add netif_tx_lock 2006-06-17 21:30:14 -07:00
request_sock.c [NET]: More kzalloc conversions. 2006-04-09 22:25:48 -07:00
rtnetlink.c [PATCH] WE-20 for kernel 2.6.16 2006-03-23 07:12:57 -05:00
scm.c [PATCH] capable/capability.h (net/) 2006-01-11 18:42:14 -08:00
skbuff.c [NET]: Avoid allocating skb in skb_pad 2006-06-23 02:06:41 -07:00
sock.c [I/OAT]: Structure changes for TCP recv offload to I/OAT 2006-06-17 21:25:48 -07:00
stream.c [NET]: Add skb->truesize assertion checking. 2006-04-20 00:10:50 -07:00
sysctl_net_core.c [IPSEC]: Sync series - core changes 2006-03-20 19:15:11 -08:00
user_dma.c [I/OAT]: Add a sysctl for tuning the I/OAT offloaded I/O threshold 2006-06-17 21:25:54 -07:00
utils.c [PATCH] for_each_possible_cpu: network codes 2006-04-11 06:18:31 -07:00
wireless.c [PATCH] wext: Fix RtNetlink ENCODE security permissions 2006-04-19 17:25:41 -04:00