Re: [RFC PATCH 3/11] x86, mm, pat: Change reserve_memtype() to handle WT type
From: Toshi Kani
Date: Wed Jul 16 2014 - 10:46:13 EST
On Tue, 2014-07-15 at 17:28 -0700, Andy Lutomirski wrote:
> On Tue, Jul 15, 2014 at 4:53 PM, Toshi Kani <toshi.kani@xxxxxx> wrote:
:
> > In this patch, I left using reserve_ram_pages_type() since I do not see
> > much reason to use WT for RAM, either.
>
> I hereby predict that someone, some day, will build a system with
> nonvolatile "RAM", and someone will want this feature. Just saying :)
>
> More realistically, someone might want to write a silly driver that
> lets programs mmap some WT memory for testing.
Agreed. This limitation needs to be addressed. I meant to say that
this could be a separate effort.
Thanks,
-Toshi
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