1 files changed, 9 insertions, 2 deletions

diff --git a/mm/memblock.c b/mm/memblock.c
index ccbf97339592..84bec4969ed5 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -58,7 +58,8 @@ static unsigned long __init_memblock memblock_addrs_overlap(phys_addr_t base1, p
         return ((base1 < (base2 + size2)) && (base2 < (base1 + size1)));
 }
 
-long __init_memblock memblock_overlaps_region(struct memblock_type *type, phys_addr_t base, phys_addr_t size)
+static long __init_memblock memblock_overlaps_region(struct memblock_type *type,
+                                        phys_addr_t base, phys_addr_t size)
 {
         unsigned long i;
 
@@ -267,7 +268,7 @@ static int __init_memblock memblock_double_array(struct memblock_type *type)
         return 0;
 }
 
-extern int __init_memblock __weak memblock_memory_can_coalesce(phys_addr_t addr1, phys_addr_t size1,
+int __init_memblock __weak memblock_memory_can_coalesce(phys_addr_t addr1, phys_addr_t size1,
                                           phys_addr_t addr2, phys_addr_t size2)
 {
         return 1;
@@ -626,6 +627,12 @@ phys_addr_t __init memblock_phys_mem_size(void)
         return memblock.memory_size;
 }
 
+/* lowest address */
+phys_addr_t __init_memblock memblock_start_of_DRAM(void)
+{
+        return memblock.memory.regions[0].base;
+}
+
 phys_addr_t __init_memblock memblock_end_of_DRAM(void)
 {
         int idx = memblock.memory.cnt - 1;