AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity
97db4b9d02
kernel_optimize_test/include
History
Eric Dumazet acb600def2 net: remove skb recycling 
Over time, skb recycling infrastructure got litle interest and
many bugs. Generic rx path skb allocation is now using page
fragments for efficient GRO / TCP coalescing, and recyling
a tx skb for rx path is not worth the pain.

Last identified bug is that fat skbs can be recycled
and it can endup using high order pages after few iterations.

With help from Maxime Bizon, who pointed out that commit
87151b8689 (net: allow pskb_expand_head() to get maximum tailroom)
introduced this regression for recycled skbs.

Instead of fixing this bug, lets remove skb recycling.

Drivers wanting really hot skbs should use build_skb() anyway,
to allocate/populate sk_buff right before netif_receive_skb()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-07 00:40:54 -04:00
..
acpi Prepared for main script 2012-10-03 13:45:43 -07:00
asm-generic Merge branch 'uapi-prep' of git://git.infradead.org/users/dhowells/linux-headers 2012-10-07 07:55:10 +09:00
clocksource arm64: Generic timers support 2012-09-17 13:42:20 +01:00
crypto
drm Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2012-10-03 23:29:23 -07:00
keys
linux net: remove skb recycling 2012-10-07 00:40:54 -04:00
math-emu
media
memory
misc
mtd
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-10-06 03:11:59 +09:00
pcmcia
ras
rdma infiniband: pass rdma_cm module to netlink_dump_start 2012-10-07 00:30:56 -04:00
rxrpc
scsi Prepared for main script 2012-10-03 13:45:43 -07:00
sound UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
target
trace UAPI: (Scripted) Convert #include "..." to #include <path/...> in kernel system headers 2012-10-02 18:01:25 +01:00
uapi UAPI: Plumb the UAPI Kbuilds into the user header installation and checking 2012-10-02 18:01:57 +01:00
video ARM: clps711x: Remove board support for CEIVA 2012-09-28 21:14:08 +02:00
xen Features: 2012-10-07 07:13:01 +09:00
Kbuild