From: Akinobu Mita <akinobu.mita@gmail.com>
To: Pratyush Brahma <pratyush.brahma@oss.qualcomm.com>
Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, akpm@linux-foundation.org,
axelrasmussen@google.com, yuanchu@google.com,
weixugc@google.com, hannes@cmpxchg.org, david@kernel.org,
mhocko@kernel.org, zhengqi.arch@bytedance.com,
shakeel.butt@linux.dev, lorenzo.stoakes@oracle.com,
Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org,
surenb@google.com, bingjiao@google.com
Subject: Re: [PATCH v3 1/3] mm: memory-tiers, numa_emu: enable to create memory tiers using fake numa nodes
Date: Sat, 10 Jan 2026 13:03:46 +0900 [thread overview]
Message-ID: <CAC5umyhC_zN4jFTTfz0DiJuZAd_8eC=E_a+aPiBVXDPhGToa3w@mail.gmail.com> (raw)
In-Reply-To: <cb77c9eb-6dab-4147-a0bb-ce488524beb2@oss.qualcomm.com>
2026年1月9日(金) 13:44 Pratyush Brahma <pratyush.brahma@oss.qualcomm.com>:
>
>
> On 1/8/2026 3:45 PM, Akinobu Mita wrote:
> > This makes it possible to create memory tiers using fake numa nodes
> > generated by numa emulation.
> >
> > The "numa_emulation.adistance=" kernel cmdline option allows you to set
> > the abstract distance for each NUMA node.
> >
> > For example, you can create two fake nodes, each in a different memory
> > tier by booting with "numa=fake=2 numa_emulation.adistance=576,704".
> > Here, the abstract distances of node0 and node1 are set to 576 and 706,
> You mention 704 in the cmdline but then mention 706 in the following text.
Thanks for pointing that out. It was an obvious typo.
> Please correct the typo. Btw I am not entirely sure if this example is
> required
> in the commit text here. The Documentation seems to the right place for
> this.
This example is also included in the next 2/3 documentation patch.
The same typo exists there, so I'll fix it.
next prev parent reply other threads:[~2026-01-10 4:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 10:15 [PATCH v3 0/3] mm: fix oom-killer not being invoked when demotion is enabled Akinobu Mita
2026-01-08 10:15 ` [PATCH v3 1/3] mm: memory-tiers, numa_emu: enable to create memory tiers using fake numa nodes Akinobu Mita
2026-01-08 15:47 ` Jonathan Cameron
2026-01-10 3:47 ` Akinobu Mita
2026-01-09 4:43 ` Pratyush Brahma
2026-01-10 4:03 ` Akinobu Mita [this message]
2026-01-08 10:15 ` [PATCH v3 2/3] mm: numa_emu: add document for NUMA emulation Akinobu Mita
2026-01-08 15:51 ` Jonathan Cameron
2026-01-08 10:15 ` [PATCH v3 3/3] mm/vmscan: don't demote if there is not enough free memory in the lower memory tier Akinobu Mita
2026-01-08 19:00 ` Andrew Morton
2026-01-09 16:07 ` Gregory Price
2026-01-10 13:55 ` Akinobu Mita
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