From: Reza Arbab <arbab@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Andrew Morton <akpm@linux-foundation.org>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org,
devicetree@vger.kernel.org,
Bharata B Rao <bharata@linux.vnet.ibm.com>,
Nathan Fontenot <nfont@linux.vnet.ibm.com>,
Stewart Smith <stewart@linux.vnet.ibm.com>,
Alistair Popple <apopple@au1.ibm.com>,
Balbir Singh <bsingharora@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH v7 5/5] dt: add documentation of "hotpluggable" memory property
Date: Mon, 14 Nov 2016 16:02:41 -0600 [thread overview]
Message-ID: <1479160961-25840-6-git-send-email-arbab@linux.vnet.ibm.com> (raw)
In-Reply-To: <1479160961-25840-1-git-send-email-arbab@linux.vnet.ibm.com>
Summarize the "hotpluggable" property of dt memory nodes.
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
---
Documentation/devicetree/booting-without-of.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt
index 3f1437f..280d283 100644
--- a/Documentation/devicetree/booting-without-of.txt
+++ b/Documentation/devicetree/booting-without-of.txt
@@ -974,6 +974,13 @@ compatibility.
4Gb. Some vendors prefer splitting those ranges into smaller
segments, but the kernel doesn't care.
+ Additional properties:
+
+ - hotpluggable : The presence of this property provides an explicit
+ hint to the operating system that this memory may potentially be
+ removed later. The kernel can take this into consideration when
+ doing nonmovable allocations and when laying out memory zones.
+
e) The /chosen node
This node is a bit "special". Normally, that's where Open Firmware
--
1.8.3.1
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
prev parent reply other threads:[~2016-11-14 22:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-14 22:02 [PATCH v7 0/5] enable movable nodes on non-x86 configs Reza Arbab
2016-11-14 22:02 ` [PATCH v7 1/5] powerpc/mm: allow memory hotplug into a memoryless node Reza Arbab
2016-11-14 22:02 ` [PATCH v7 2/5] mm: remove x86-only restriction of movable_node Reza Arbab
2016-11-14 23:20 ` Balbir Singh
2016-11-15 7:05 ` Aneesh Kumar K.V
2016-11-15 15:57 ` Reza Arbab
2016-11-14 22:02 ` [PATCH v7 3/5] mm: enable CONFIG_MOVABLE_NODE on non-x86 arches Reza Arbab
2016-11-14 22:02 ` [PATCH v7 4/5] of/fdt: mark hotpluggable memory Reza Arbab
2016-11-14 23:20 ` Balbir Singh
2016-11-14 22:02 ` Reza Arbab [this message]
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=1479160961-25840-6-git-send-email-arbab@linux.vnet.ibm.com \
--to=arbab@linux.vnet.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=apopple@au1.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=bharata@linux.vnet.ibm.com \
--cc=bsingharora@gmail.com \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=nfont@linux.vnet.ibm.com \
--cc=paulus@samba.org \
--cc=robh+dt@kernel.org \
--cc=stewart@linux.vnet.ibm.com \
--cc=tglx@linutronix.de \
/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;
as well as URLs for NNTP newsgroup(s).