Re: [RFC PATCH V1 0/6] sched/numa: Enhance disjoint VMA scanning

[Peter Zijlstra]

On Tue, Aug 29, 2023 at 11:36:08AM +0530, Raghavendra K T wrote:

> Peter Zijlstra (1):
>   sched/numa: Increase tasks' access history
> 
> Raghavendra K T (5):
>   sched/numa: Move up the access pid reset logic
>   sched/numa: Add disjoint vma unconditional scan logic
>   sched/numa: Remove unconditional scan logic using mm numa_scan_seq
>   sched/numa: Allow recently accessed VMAs to be scanned
>   sched/numa: Allow scanning of shared VMAs
> 
>  include/linux/mm.h       |  12 +++--
>  include/linux/mm_types.h |   5 +-
>  kernel/sched/fair.c      | 109 ++++++++++++++++++++++++++++++++-------
>  3 files changed, 102 insertions(+), 24 deletions(-)

So I don't immediately see anything horrible with this. Mel, do you have
a few cycles to go over this as well?