[PATCH] memblock: add NO_BOOTMEM config symbol

[Sam Ravnborg]

With the NO_BOOTMEM symbol added archistectures may now
use the following syntax to tell that they do not need bootmem:

	select NO_BOOTMEM

This is much more convinient than adding a new kconfig symbol
which was otherwise required.

Addign this symbol does not conflict with the architctures that
already define their own symbol.

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
---
diff --git a/mm/Kconfig b/mm/Kconfig
index 7c56971..af0047d 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -137,6 +137,9 @@ config HAVE_MEMBLOCK_NODE_MAP
 config ARCH_DISCARD_MEMBLOCK
 	boolean
 
+config NO_BOOTMEM
+	boolean
+
 # eventually, we can have this option just 'select SPARSEMEM'
 config MEMORY_HOTPLUG
 	bool "Allow for memory hot-add"
--
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