On Mon, Jan 25, 2021 at 5:19 AM 'Michal Hocko' via kernel-team
[off-list ref] wrote:

On Wed 20-01-21 12:23:37, Suren Baghdasaryan wrote:
[...]

quoted

    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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