From c3352cbb1bdf198e81141700eb7003b8e2de1f1a Mon Sep 17 00:00:00 2001 From: Reza Arbab Date: Mon, 12 Dec 2016 16:43:06 -0800 Subject: dt: add documentation of "hotpluggable" memory property Summarize the "hotpluggable" property of dt memory nodes. Link: http://lkml.kernel.org/r/1479160961-25840-6-git-send-email-arbab@linux.vnet.ibm.com Signed-off-by: Reza Arbab Cc: "Aneesh Kumar K.V" Cc: "H. Peter Anvin" Cc: Alistair Popple Cc: Aneesh Kumar K.V Cc: Balbir Singh Cc: Benjamin Herrenschmidt Cc: Bharata B Rao Cc: Frank Rowand Cc: Ingo Molnar Cc: Michael Ellerman Cc: Nathan Fontenot Cc: Paul Mackerras Cc: Rob Herring Cc: Stewart Smith Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/devicetree/booting-without-of.txt | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Documentation/devicetree/booting-without-of.txt') diff --git a/Documentation/devicetree/booting-without-of.txt b/Documentation/devicetree/booting-without-of.txt index 3f1437fbca6b..280d283304bb 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 -- cgit v1.2.3-55-g7522