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 @@
: : "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);