On Sun, Sep 2, 2018 at 6:32 PM Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote: > > Also, if we cross page boundaries with those guys then we have a bigger > problem no ? we could fall off a vmalloc page into the nether or into > an ioremap mapping no ?
It's not used for vmalloc stuff. It's just regular kmalloc().
So it can cross pages, and it can fall off the end of memory, but it
can't do random stuff.
Linus
