lkml.org 
[lkml]   [2020]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/4] hugetlbfs: add arch_hugetlb_valid_size
From
Date
On 3/18/20 3:52 PM, Mike Kravetz wrote:
> Sounds good. I'll incorporate those changes into a v2, unless someone
> else with has a different opinion.
>
> BTW, this patch should not really change the way the code works today.
> It is mostly a movement of code. Unless I am missing something, the
> existing code will always allow setup of PMD_SIZE hugetlb pages.

Hah, I totally skipped over the old code in the diff.

It looks like we'll disable hugetblfs *entirely* if PSE isn't supported.
I think this is actually wrong, but nobody ever noticed. I think you'd
have to be running as a guest under a hypervisor that's lying about PSE
not being supported *and* care about 1GB pages. Nobody does that.

\
 
 \ /
  Last update: 2020-03-19 00:37    [W:0.054 / U:0.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site