memblock: add memblock_start_of_DRAM()

[pandora-kernel.git] / include / linux / memblock.h

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 62a10c2..e6b843e 100644 (file)
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -2,6 +2,8 @@
 #define _LINUX_MEMBLOCK_H
 #ifdef __KERNEL__
 
+#define MEMBLOCK_ERROR 0
+
 #ifdef CONFIG_HAVE_MEMBLOCK
 /*
  * Logical memory blocks.
@@ -20,7 +22,6 @@
 #include <asm/memblock.h>
 
 #define INIT_MEMBLOCK_REGIONS  128
-#define MEMBLOCK_ERROR         0
 
 struct memblock_region {
        phys_addr_t base;
@@ -79,6 +80,7 @@ extern phys_addr_t __memblock_alloc_base(phys_addr_t size,
                                           phys_addr_t align,
                                           phys_addr_t max_addr);
 extern phys_addr_t memblock_phys_mem_size(void);
+extern phys_addr_t memblock_start_of_DRAM(void);
 extern phys_addr_t memblock_end_of_DRAM(void);
 extern void memblock_enforce_memory_limit(phys_addr_t memory_limit);
 extern int memblock_is_memory(phys_addr_t addr);
@@ -160,6 +162,12 @@ static inline unsigned long memblock_region_reserved_end_pfn(const struct memblo
 #define __initdata_memblock
 #endif
 
+#else
+static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align)
+{
+       return MEMBLOCK_ERROR;
+}
+
 #endif /* CONFIG_HAVE_MEMBLOCK */
 
 #endif /* __KERNEL__ */