lkml.org 
[lkml]   [2023]   [Oct]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v6 4/9] mm: thp: Introduce anon_orders and anon_always_mask sysfs files
On Sun, 08 Oct 2023 09:54:22 +1100 Michael Ellerman <mpe@ellerman.id.au> wrote:

> > I don't know why powerpc's PTE_INDEX_SIZE is variable.
>
> To allow a single vmlinux to boot using either the Hashed Page Table
> MMU, or Radix Tree MMU, which have different page table geometry.
>
> That's a pretty crucial feature for distros, so that they can build a
> single kernel to boot on Power8/9/10.

Dumb question: why can't distros ship two kernels and have the boot
loader (or something else) pick the appropriate one?

\
 
 \ /
  Last update: 2023-10-10 02:22    [W:0.179 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site