x86: add RESERVE_BRK_ARRAY() helper

Useful when converting static arrays into boottime brk allocated objects. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
mariux64 · Oct 22, 2010 · 5e941c0 · 5e941c0
1 parent cd07202
commit 5e941c0
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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);