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[v7,5/5] dt: add documentation of "hotpluggable" memory property

Message ID 1479160961-25840-6-git-send-email-arbab@linux.vnet.ibm.com (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Reza Arbab Nov. 14, 2016, 10:02 p.m. UTC 
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(+)
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Patch

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