From: Gregory Price <gourry@gourry.net>
To: Balbir Singh <balbirs@nvidia.com>
Cc: dan.j.williams@intel.com, Yury Norov <ynorov@nvidia.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
kernel-team@meta.com, longman@redhat.com, tj@kernel.org,
hannes@cmpxchg.org, mkoutny@suse.com, corbet@lwn.net,
gregkh@linuxfoundation.org, rafael@kernel.org, dakr@kernel.org,
dave@stgolabs.net, jonathan.cameron@huawei.com,
dave.jiang@intel.com, alison.schofield@intel.com,
vishal.l.verma@intel.com, ira.weiny@intel.com,
akpm@linux-foundation.org, vbabka@suse.cz, surenb@google.com,
mhocko@suse.com, jackmanb@google.com, ziy@nvidia.com,
david@kernel.org, lorenzo.stoakes@oracle.com,
Liam.Howlett@oracle.com, rppt@kernel.org,
axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com,
yury.norov@gmail.com, linux@rasmusvillemoes.dk,
rientjes@google.com, shakeel.butt@linux.dev, chrisl@kernel.org,
kasong@tencent.com, shikemeng@huaweicloud.com, nphamcs@gmail.com,
bhe@redhat.com, baohua@kernel.org, yosry.ahmed@linux.dev,
chengming.zhou@linux.dev, roman.gushchin@linux.dev,
muchun.song@linux.dev, osalvador@suse.de,
matthew.brost@intel.com, joshua.hahnjy@gmail.com,
rakie.kim@sk.com, byungchul@sk.com, ying.huang@linux.alibaba.com,
apopple@nvidia.com, cl@gentwo.org, harry.yoo@oracle.com,
zhengqi.arch@bytedance.com
Subject: Re: [RFC PATCH v3 0/8] mm,numa: N_PRIVATE node isolation for device-managed memory
Date: Mon, 12 Jan 2026 18:40:21 -0500 [thread overview]
Message-ID: <aWWGZVsY84D7YNu1@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <966ce77a-c055-4ab8-9c40-d02de7b67895@nvidia.com>
On Tue, Jan 13, 2026 at 09:54:32AM +1100, Balbir Singh wrote:
> On 1/13/26 08:10, dan.j.williams@intel.com wrote:
> > Balbir Singh wrote:
> > [..]
> >>> I agree with Gregory the name does not matter as much as the
> >>> documentation explaining what the name means. I am ok if others do not
> >>> sign onto the rationale for why not include _MEMORY, but lets capture
> >>> something that tries to clarify that this is a unique node state that
> >>> can have "all of the above" memory types relative to the existing
> >>> _MEMORY states.
> >>>
> >>
> >> To me, N_ is a common prefix, we do have N_HIGH_MEMORY, N_NORMAL_MEMORY.
> >> N_PRIVATE does not tell me if it's CPU or memory related.
> >
> > True that confusion about whether N_PRIVATE can apply to CPUs is there.
> > How about split the difference and call this:
> >
> > N_MEM_PRIVATE
> >
> > To make it both distinct from _MEMORY and _HIGH_MEMORY which describe
> > ZONE limitations and distinct from N_CPU.
>
> I'd be open to that name, how about N_MEMORY_PRIVATE? So then N_MEMORY
> becomes (N_MEMORY_PUBLIC by default)
>
N_MEMORY_PUBLIC is forcing everyone else to change for the sake a new
feature, better to keep it N_MEM[ORY]_PRIVATE if anything
~Gregory
next prev parent reply other threads:[~2026-01-12 23:41 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 20:37 Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 1/8] numa,memory_hotplug: create N_PRIVATE (Private Nodes) Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 2/8] mm: constify oom_control, scan_control, and alloc_context nodemask Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 3/8] mm: restrict slub, compaction, and page_alloc to sysram Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 4/8] cpuset: introduce cpuset.mems.sysram Gregory Price
2026-01-12 17:56 ` Yury Norov
2026-01-08 20:37 ` [RFC PATCH v3 5/8] Documentation/admin-guide/cgroups: update docs for mems_allowed Gregory Price
2026-01-12 14:30 ` Michal Koutný
2026-01-12 15:25 ` Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 6/8] drivers/cxl/core/region: add private_region Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 7/8] mm/zswap: compressed ram direct integration Gregory Price
2026-01-09 16:00 ` Yosry Ahmed
2026-01-09 17:03 ` Gregory Price
2026-01-09 21:40 ` Gregory Price
2026-01-12 21:13 ` Yosry Ahmed
2026-01-12 23:33 ` Gregory Price
2026-01-12 23:46 ` Gregory Price
2026-01-08 20:37 ` [RFC PATCH v3 8/8] drivers/cxl: add zswap private_region type Gregory Price
2026-01-12 11:12 ` [RFC PATCH v3 0/8] mm,numa: N_PRIVATE node isolation for device-managed memory Balbir Singh
2026-01-12 14:36 ` Gregory Price
2026-01-12 17:18 ` Yury Norov
2026-01-12 17:36 ` Gregory Price
2026-01-12 21:24 ` dan.j.williams
2026-01-12 21:57 ` Balbir Singh
2026-01-12 22:10 ` dan.j.williams
2026-01-12 22:54 ` Balbir Singh
2026-01-12 23:40 ` Gregory Price [this message]
2026-01-13 1:12 ` Balbir Singh
2026-01-13 1:17 ` dan.j.williams
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aWWGZVsY84D7YNu1@gourry-fedora-PF4VCD3F \
--to=gourry@gourry.net \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=alison.schofield@intel.com \
--cc=apopple@nvidia.com \
--cc=axelrasmussen@google.com \
--cc=balbirs@nvidia.com \
--cc=baohua@kernel.org \
--cc=bhe@redhat.com \
--cc=byungchul@sk.com \
--cc=cgroups@vger.kernel.org \
--cc=chengming.zhou@linux.dev \
--cc=chrisl@kernel.org \
--cc=cl@gentwo.org \
--cc=corbet@lwn.net \
--cc=dakr@kernel.org \
--cc=dan.j.williams@intel.com \
--cc=dave.jiang@intel.com \
--cc=dave@stgolabs.net \
--cc=david@kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=hannes@cmpxchg.org \
--cc=harry.yoo@oracle.com \
--cc=ira.weiny@intel.com \
--cc=jackmanb@google.com \
--cc=jonathan.cameron@huawei.com \
--cc=joshua.hahnjy@gmail.com \
--cc=kasong@tencent.com \
--cc=kernel-team@meta.com \
--cc=linux-cxl@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@rasmusvillemoes.dk \
--cc=longman@redhat.com \
--cc=lorenzo.stoakes@oracle.com \
--cc=matthew.brost@intel.com \
--cc=mhocko@suse.com \
--cc=mkoutny@suse.com \
--cc=muchun.song@linux.dev \
--cc=nphamcs@gmail.com \
--cc=osalvador@suse.de \
--cc=rafael@kernel.org \
--cc=rakie.kim@sk.com \
--cc=rientjes@google.com \
--cc=roman.gushchin@linux.dev \
--cc=rppt@kernel.org \
--cc=shakeel.butt@linux.dev \
--cc=shikemeng@huaweicloud.com \
--cc=surenb@google.com \
--cc=tj@kernel.org \
--cc=vbabka@suse.cz \
--cc=vishal.l.verma@intel.com \
--cc=weixugc@google.com \
--cc=ying.huang@linux.alibaba.com \
--cc=ynorov@nvidia.com \
--cc=yosry.ahmed@linux.dev \
--cc=yuanchu@google.com \
--cc=yury.norov@gmail.com \
--cc=zhengqi.arch@bytedance.com \
--cc=ziy@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox