x86, mm: Add RESERVE_BRK_ARRAY() helper
authorJeremy Fitzhardinge <jeremy@goop.org>
Fri, 3 Sep 2010 02:35:22 +0000 (19:35 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Wed, 6 Oct 2010 05:16:54 +0000 (22:16 -0700)
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>
arch/x86/include/asm/setup.h

index ef292c792d742cb35b1a48ac7f18f97a6546860c..d6763b139a844243b9fbb8dc620e633fe7b5825a 100644 (file)
@@ -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);