Re: Access to non-RAM pages

From: Linus Torvalds
Date: Sun Sep 02 2018 - 21:43:07 EST


On Sun, Sep 2, 2018 at 6:38 PM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> It's not used for vmalloc stuff. It's just regular kmalloc().

Just to clarify .. that's true of the dcache stuff.

The strscpy case actually explicitly limits things to page boundaries
and falls back to the byte-by-byte case after that.

Linus