linux-kernel - [PATCH] memblock: add NO

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Message-ID: <20110806191111.GB8494@merkur.ravnborg.org>
Date:	Sat, 6 Aug 2011 21:11:11 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH] memblock: add NO_BOOTMEM config symbol

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@...nborg.org>
Cc: Yinghai Lu <yinghai@...nel.org>
---
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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