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SubjectRe: [PATCH v1 3/3] mm/shuffle: remove dynamic reconfiguration
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On 16.06.20 14:41, Michal Hocko wrote:
> [Add Dan]

Whops, dropped by mistake. Thanks for adding.

>
> On Tue 16-06-20 13:52:13, 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.
>>
>> 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/
>>
>> 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: Keith Busch <keith.busch@intel.com>
>> Cc: Mel Gorman <mgorman@techsingularity.net>
>> Signed-off-by: David Hildenbrand <david@redhat.com>
>
> While I am not against removing this unused code I am really curious
> what is the future of the auto detection. Has this just fall through
> cracks or there are some more serious problem to make detection
> possible/reliable?

From the bouncing mails I assume Keith - author of the original patches
in [1] - is no longer working at Intel (or I messed up :) "#5.1.0
Address rejected"). Maybe Dan can clarify what the future of this is.

--
Thanks,

David / dhildenb

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