[PATCH 1/1] process_madvise.2: Add process_madvise man page

Suren Baghdasaryan surenb at google.com
Tue Jan 26 00:14:00 UTC 2021

On Mon, Jan 25, 2021 at 5:19 AM 'Michal Hocko' via kernel-team
<kernel-team at android.com> wrote:
> On Wed 20-01-21 12:23:37, Suren Baghdasaryan wrote:
> [...]
> >     MADV_COLD (since Linux 5.4.1)
> >         Deactivate a given range of pages by moving them from active to
> >         inactive LRU list. This is done to accelerate the reclaim of these
> >         pages. The advice might be ignored for some pages in the range when it
> >         is not applicable.
> I do not think we want to talk about active/inactive LRU lists here.
> Wouldn't it be sufficient to say
> Deactive a given range of pages which will make them a more probable
> reclaim target should there be a memory pressure. This is a
> non-destructive operation.

That sounds better. Will update in the next version.

> Other than that, looks good to me from the content POV.
> Thanks!

Thanks for the review Michal!

> --
> Michal Hocko
> SUSE Labs
> --
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