From: Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx Signed-off-by: Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx> Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: Alistair Popple <apopple@xxxxxxxxxxx> Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Cc: Balbir Singh <bsingharora@xxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Bharata B Rao <bharata@xxxxxxxxxxxxxxxxxx> Cc: Frank Rowand <frowand.list@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Nathan Fontenot <nfont@xxxxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Stewart Smith <stewart@xxxxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/devicetree/booting-without-of.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff -puN Documentation/devicetree/booting-without-of.txt~dt-add-documentation-of-hotpluggable-memory-property Documentation/devicetree/booting-without-of.txt --- a/Documentation/devicetree/booting-without-of.txt~dt-add-documentation-of-hotpluggable-memory-property +++ a/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 _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
