[v6 PATCH 15/21] x86/mm: Relocate page fault error codes to traps.h

[Andy Lutomirski]

On Tue, Mar 7, 2017 at 4:32 PM, Ricardo Neri
<ricardo.neri-calderon at linux.intel.com> wrote:
> Up to this point, only fault.c used the definitions of the page fault error
> codes. Thus, it made sense to keep them within such file. Other portions of
> code might be interested in those definitions too. For instance, the User-
> Mode Instruction Prevention emulation code will use such definitions to
> emulate a page fault when it is unable to successfully copy the results
> of the emulated instructions to user space.
>
> While relocating the error code enumeration, the prefix X86_ is used to
> make it consistent with the rest of the definitions in traps.h. Of course,
> code using the enumeration had to be updated as well. No functional changes
> were performed.
>

Reviewed-by: Andy Lutomirski <luto at kernel.org>