Re: [RFC][PATCH] kmap_atomic_push

Peter Zijlstra
2009-10-08T22:33:26Z

On Thu, 2009-10-08 at 18:27 -0400, jim owens wrote:
> So if I understand this correctly, the sequence:
>
> in = kmap_atomic(inpage, KM_USER1);
>
> out = kmap_atomic(outpage, KM_USER0);
>
> kunmap_atomic(in, KM_USER1);
>
> in = kmap_atomic(next_inpage, KM_USER1);
>
> is now illegal with this patch

Yep.