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Commit c3352cbb authored by Reza Arbab's avatar Reza Arbab Committed by Linus Torvalds
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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: default avatarReza Arbab <arbab@linux.vnet.ibm.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alistair Popple <apopple@au1.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Stewart Smith <stewart@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 41a9ada3

Documentation/devicetree/booting-without-of.txt

+7 −0
Original line number Diff line number Diff line
@@ -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