Cleanup the arm_memory_present() function seeing it's very
similar to other arches.

The new memblocks_present() helper checks for node ids which the
arm version did not. However, this is equivalent seeing
HAVE_MEMBLOCK_NODE_MAP should be false in this arch and therefore
memblock_get_region_node() should return 0.

Signed-off-by: Logan Gunthorpe <log...@deltatee.com>
Cc: Russell King <li...@armlinux.org.uk>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Philip Derrin <philip@cog.systems>
Cc: "Steven Rostedt (VMware)" <rost...@goodmis.org>
Cc: Nicolas Pitre <nicolas.pi...@linaro.org>
---
 arch/arm/mm/init.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 0cc8e04295a4..e2710dd7446f 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -201,21 +201,6 @@ int pfn_valid(unsigned long pfn)
 EXPORT_SYMBOL(pfn_valid);
 #endif
 
-#ifndef CONFIG_SPARSEMEM
-static void __init arm_memory_present(void)
-{
-}
-#else
-static void __init arm_memory_present(void)
-{
-       struct memblock_region *reg;
-
-       for_each_memblock(memory, reg)
-               memory_present(0, memblock_region_memory_base_pfn(reg),
-                              memblock_region_memory_end_pfn(reg));
-}
-#endif
-
 static bool arm_memblock_steal_permitted = true;
 
 phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align)
@@ -317,7 +302,7 @@ void __init bootmem_init(void)
         * Sparsemem tries to allocate bootmem in memory_present(),
         * so must be done after the fixed reservations
         */
-       arm_memory_present();
+       memblocks_present();
 
        /*
         * sparse_init() needs the bootmem allocator up and running.
-- 
2.19.0

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