Re: [PATCH] 2/2 2.5.45 cleanup & add original copy_ro/from_user

Andi Kleen
2002-11-02T12:03:26Z

> That depends on size. If you do huge memcpy (say 1 mb) it still
> wins by wide margin. Not that we do such huge operations often,
> but code can check size and pick different routines for small
> and big blocks

The kernel nevers does such huge memcpys. It rarely does handle any buffer
bigger than a page (4K)

-Andi