lkml.org 
[lkml]   [2021]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 00/16] Multigenerational LRU Framework
>    2) It will not scan PTE tables under non-leaf PMD entries that do not
>    have the accessed bit set, when
>    CONFIG_HAVE_ARCH_PARENT_PMD_YOUNG=y.

This assumes that workloads have reasonable locality. Could there
be a worst case where only one or two pages in each PTE are used,
so this PTE skipping trick doesn't work?

-Andi

\
 
 \ /
  Last update: 2021-04-14 17:54    [W:0.230 / U:0.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site