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[2003:cb:c71a:7100:dfaf:df8b:54b9:7303]) by smtp.gmail.com with ESMTPSA id z8-20020adfd0c8000000b00317a29af4b2sm3708207wrh.68.2023.09.22.00.34.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Sep 2023 00:34:00 -0700 (PDT) Message-ID: <8df8d6dd-d0fc-908e-77c7-a67167e1c74f@redhat.com> Date: Fri, 22 Sep 2023 09:33:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] memory-hotplug.rst: fix wrong /sys/device/ path To: Wang Jinchao , Oscar Salvador , Jonathan Corbet , linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: xulei References: From: David Hildenbrand Organization: Red Hat In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 3EBA2160008 X-Stat-Signature: xm63yzabtqdc49835x1x8ddichogtkwu X-Rspam-User: X-HE-Tag: 1695368045-173143 X-HE-Meta: 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 VWXw6xt0 q76+47EEurARNNYiDRND0eCIhh3PAZjhURVPK6Zfxjds0teUR1oZisiLCkfWaQcsVNmEnTAiQSQFiJBc6WxcB/ysZUcBcIPrupukB4FfLoP04xpyor6rOl4zsO8DRJ9mJISQSSXi9qMnyVbpbs8gs3K/TPEcMmsx+yM8+HoS8hXtY0VRFQeDK1PYqcHzCFWLZiwBq4OpF15jV2C/DPgckKUt42aOtx5qQSLSz8e8k1oC1nPLJmlOIcz2o+35BouAzf1SFpyhFfB8iG7ED+CiyJR1aGDOfIw6vKD4VFduZCXgWOvXzmLt78ktFkIL+i8RPnsAnykl4bDTXgarTD6eELqqRd0LxoDsVhPmih8sw/C89rEbcRNoSxiBmbWtNQb/dyuP8UuBhfDXOjzE3of2eJedkHTJ7BXgrW8Z4zBZNd6CAbX9MxM7kadJXs6ZTtuawgURLcqcqF7esVnDbc8rrATr86w== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000025, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 22.09.23 04:00, Wang Jinchao wrote: > Actually, it should be /sys/devices/ > > Signed-off-by: Wang Jinchao > --- > Documentation/admin-guide/mm/memory-hotplug.rst | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/Documentation/admin-guide/mm/memory-hotplug.rst b/Documentation/admin-guide/mm/memory-hotplug.rst > index cfe034cf1e87..01595965734a 100644 > --- a/Documentation/admin-guide/mm/memory-hotplug.rst > +++ b/Documentation/admin-guide/mm/memory-hotplug.rst > @@ -250,15 +250,15 @@ Observing the State of Memory Blocks > The state (online/offline/going-offline) of a memory block can be observed > either via:: > > - % cat /sys/device/system/memory/memoryXXX/state > + % cat /sys/devices/system/memory/memoryXXX/state > > Or alternatively (1/0) via:: > > - % cat /sys/device/system/memory/memoryXXX/online > + % cat /sys/devices/system/memory/memoryXXX/online > > For an online memory block, the managing zone can be observed via:: > > - % cat /sys/device/system/memory/memoryXXX/valid_zones > + % cat /sys/devices/system/memory/memoryXXX/valid_zones > > Configuring Memory Hot(Un)Plug > ============================== > @@ -326,7 +326,7 @@ however, a memory block might span memory holes. A memory block spanning memory > holes cannot be offlined. > > For example, assume 1 GiB memory block size. A device for a memory starting at > -0x100000000 is ``/sys/device/system/memory/memory4``:: > +0x100000000 is ``/sys/devices/system/memory/memory4``:: > > (0x100000000 / 1Gib = 4) > Reviewed-by: David Hildenbrand -- Cheers, David / dhildenb