Re: [PATCH 2/2] x86/mm: remove pointless checks in vmalloc_fault

From: Thomas Gleixner
Date: Wed Mar 14 2018 - 15:27:43 EST


On Tue, 13 Mar 2018, Toshi Kani wrote:

> vmalloc_fault() sets user's pgd or p4d from the kernel page table.
> Once it's set, all tables underneath are identical. There is no point
> of following the same page table with two separate pointers and makes
> sure they see the same with BUG().
>
> Remove the pointless checks in vmalloc_fault(). Also rename the kernel
> pgd/p4d pointers to pgd_k/p4d_k so that their names are consistent in
> the file.

I have no idea to which branch this might apply. The first patch applies
cleanly on linus head, but this one fails in hunk #2 on everything I
tried. Can you please check?

Thanks,

tglx