On Sun, 21 Oct 2007 12:48:14 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:

quoted text
>=20
> You are missing a crucial point.
>=20
> The compiler may emit the same exact loads and stores when it inlines
> memcpy() if it "knows" the objects are aligned properly.  And it very
> much will do this.
>=20

Not sure that would be valid. memcpy() is defined as having void* arguments=
, and the compiler cannot just ignore that if it chooses to inline it.

Still, just give it the char* from the skb and it cannot make any assumptio=
n on alignment.

Rgds
Pierre