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From: Michal Hocko <mhocko@suse.com>
To: sthanneeru.opensrc@micron.com
Cc: aneesh.kumar@linux.ibm.com, linux-cxl@vger.kernel.org,
	linux-mm@kvack.org, dan.j.williams@intel.com, hannes@cmpxchg.org,
	hasanalmaruf@fb.com, haowang3@fb.com, ying.huang@intel.com,
	gregory.price@memverge.com, tj@kernel.org,
	hezhongkun.hzk@bytedance.com, fvdl@google.com,
	john@jagalactic.com, emirakhur@micron.com,
	vtavarespetr@micron.com, Ravis.OpenSrc@micron.com,
	Jonathan.Cameron@huawei.com, linux-kernel@vger.kernel.org,
	linux-api@vger.kernel.org
Subject: Re: [RFC PATCH 0/2] Node migration between memory tiers
Date: Mon, 4 Dec 2023 16:43:19 +0100	[thread overview]
Message-ID: <ZW3zl2Fke5FtQCv3@tiehlicka> (raw)
In-Reply-To: <20231130220422.2033-1-sthanneeru.opensrc@micron.com>

On Fri 01-12-23 03:34:20, sthanneeru.opensrc@micron.com wrote:
> From: Srinivasulu Thanneeru <sthanneeru.opensrc@micron.com>
> 
> The memory tiers feature allows nodes with similar memory types
> or performance characteristics to be grouped together in a
> memory tier. However, there is currently no provision for
> moving a node from one tier to another on demand.

Could you expand on why this is really needed/necessary? What is the
actual usecase?
-- 
Michal Hocko
SUSE Labs

  parent reply	other threads:[~2023-12-04 15:43 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-30 22:04 [RFC PATCH 0/2] Node migration between memory tiers sthanneeru.opensrc
2023-11-30 22:04 ` [RFC PATCH 1/2] base/node: Add sysfs for adistance_offset sthanneeru.opensrc
2023-11-30 22:04 ` [RFC PATCH 2/2] memory tier: Support node migration between tiers sthanneeru.opensrc
2023-12-04 15:43 ` Michal Hocko [this message]
2023-12-04 19:56   ` [EXT] Re: [RFC PATCH 0/2] Node migration between memory tiers Srinivasulu Thanneeru
2023-12-05  8:35     ` Michal Hocko
2023-12-05  8:42       ` Srinivasulu Thanneeru
2023-12-05  8:51         ` Michal Hocko
2023-12-05  9:02           ` Srinivasulu Thanneeru
2023-12-05  9:09             ` Michal Hocko
2023-12-05  9:19           ` Ravi Jonnalagadda
2023-12-06 15:22             ` Michal Hocko
2023-12-05  8:51     ` [EXT] " Huang, Ying
2023-12-05  9:12     ` Huang, Ying
  -- strict thread matches above, loose matches on Subject: below --
2023-11-30 21:48 sthanneeru.opensrc
2023-12-04  8:52 ` Huang, Ying

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