From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Fri, 3 Sep 2010 02:35:22 +0000 (-0700)
Subject: x86, mm: Add RESERVE_BRK_ARRAY() helper
X-Git-Tag: upstream/snapshot3+hdmi~12745^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=161b0275e2311b8bd9609d5f32e2b703cf5d70a8;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

x86, mm: Add RESERVE_BRK_ARRAY() helper

This is useful when converting static arrays into boot-time brk
allocated objects.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
LKML-Reference: <4C805EEA.1080205@goop.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---

diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index ef292c7..d6763b139a 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -93,6 +93,11 @@ void *extend_brk(size_t size, size_t align);
 			: : "i" (sz));					\
 	}
 
+/* Helper for reserving space for arrays of things */
+#define RESERVE_BRK_ARRAY(type, name, entries)		\
+	type *name;					\
+	RESERVE_BRK(name, sizeof(type) * entries)
+
 #ifdef __i386__
 
 void __init i386_start_kernel(void);