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27a884dc3c
So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes
on 64bit architectures, allowing us to combine the 4 bytes hole left by the
layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4
64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN...
:-)
Many calculations that previously required that skb->{transport,network,
mac}_header be first converted to a pointer now can be done directly, being
meaningful as offsets or pointers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| asix.c | ||
| catc.c | ||
| cdc_ether.c | ||
| cdc_subset.c | ||
| dm9601.c | ||
| gl620a.c | ||
| kaweth.c | ||
| kawethfw.h | ||
| Kconfig | ||
| Makefile | ||
| mcs7830.c | ||
| net1080.c | ||
| pegasus.c | ||
| pegasus.h | ||
| plusb.c | ||
| rndis_host.c | ||
| rtl8150.c | ||
| usbnet.c | ||
| usbnet.h | ||
| zaurus.c | ||