memblock: Use memblock_reserve() in memblock internal functions

Make memblock_double_array(), __memblock_alloc_base() and
memblock_alloc_nid() use memblock_reserve() instead of calling
memblock_add_region() with reserved array directly.  This eases
debugging and updates to memblock_add_region().

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Yinghai Lu <yinghai@kernel.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/mm/memblock.c b/mm/memblock.c
index 948036718245..d0506183c5b1 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -175,9 +175,6 @@ static void __init_memblock memblock_remove_region(struct memblock_type *type, u
         }
 }
 
-/* Defined below but needed now */
-static int memblock_add_region(struct memblock_type *type, phys_addr_t base, phys_addr_t size);
-
 static int __init_memblock memblock_double_array(struct memblock_type *type)
 {
         struct memblock_region *new_array, *old_array;
@@ -235,7 +232,7 @@ static int __init_memblock memblock_double_array(struct memblock_type *type)
                 return 0;
 
         /* Add the new reserved region now. Should not fail ! */
-        BUG_ON(memblock_add_region(&memblock.reserved, addr, new_size));
+        BUG_ON(memblock_reserve(addr, new_size));
 
         /* If the array wasn't our static init one, then free it. We only do
          * that before SLAB is available as later on, we don't know whether
@@ -652,7 +649,7 @@ phys_addr_t __init __memblock_alloc_base(phys_addr_t size, phys_addr_t align, ph
         size = round_up(size, align);
 
         found = memblock_find_in_range(0, max_addr, size, align);
-        if (found && !memblock_add_region(&memblock.reserved, found, size))
+        if (found && !memblock_reserve(found, size))
                 return found;
 
         return 0;
@@ -748,7 +745,7 @@ phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int n
 
         found = memblock_find_in_range_node(0, MEMBLOCK_ALLOC_ACCESSIBLE,
                                             size, align, nid);
-        if (found && !memblock_add_region(&memblock.reserved, found, size))
+        if (found && !memblock_reserve(found, size))
                 return found;
 
         return 0;