Re: [PATCH v2 3/3] mm/shuffle: remove dynamic reconfiguration

Wei Yang
2020-06-23T01:22:51Z

On Fri, Jun 19, 2020 at 02:59:22PM +0200, David Hildenbrand wrote:
>Commit e900a918b098 ("mm: shuffle initial free memory to improve
>memory-side-cache utilization") promised "autodetection of a
>memory-side-cache (to be added in a follow-on patch)" over a year ago.
>
>The original series included patches [1], however, they were dropped
>during review [2] to be followed-up later.
>
>Due to lack of platforms that publish an HMAT, autodetection is currently
>not implemented. However, manual activation is actively used [3]. Let's
>simplify for now and re-add when really (ever?) needed.
>
>[1] https://lkml.kernel.org/r/154510700291.1941238.817190985966612531.stgit@dwillia2-desk3.amr.corp.intel.com
>[2] https://lkml.kernel.org/r/154690326478.676627.103843791978176914.stgit@dwillia2-desk3.amr.corp.intel.com
>[3] https://lkml.kernel.org/r/CAPcyv4irwGUU2x+c6b4L=KbB1dnasNKaaZd6oSpYjL9kfsnROQ@mail.gmail.com
>
>Cc: Andrew Morton <akpm@linux-foundation.org>
>Cc: Johannes Weiner <hannes@cmpxchg.org>
>Cc: Michal Hocko <mhocko@suse.com>
>Cc: Minchan Kim <minchan@kernel.org>
>Cc: Huang Ying <ying.huang@intel.com>
>Cc: Wei Yang <richard.weiyang@gmail.com>
>Cc: Mel Gorman <mgorman@techsingularity.net>
>Cc: Dan Williams <dan.j.williams@intel.com>
>Signed-off-by: David Hildenbrand <david@redhat.com>

Reviewed-by: Wei Yang <richard.weiyang@linux.alibaba.com>

--
Wei Yang
Help you, Help me