[PATCH 3/5 v2] microblaze/mm: Use memblock_first_region_size() helper

[Alexander Kuleshov <kuleshovmail@gmail.com>]

The 0a11142e commit (mm/memblock: Introduce memblock_first_region_size()
helper) introduced memblock_first_region_size() helper for the getting
size of the first memblock region. Let's use it instead of directly access
to structure.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
---
 arch/microblaze/mm/init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 77bc7c7..7c846a4 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -332,19 +332,19 @@ asmlinkage void __init mmu_init(void)
 		machine_restart(NULL);
 	}
 
-	if ((u32) memblock.memory.regions[0].size < 0x400000) {
+	if ((u32) memblock_first_region_size() < 0x400000) {
 		pr_emerg("Memory must be greater than 4MB\n");
 		machine_restart(NULL);
 	}
 
-	if ((u32) memblock.memory.regions[0].size < kernel_tlb) {
+	if ((u32) memblock_first_region_size() < kernel_tlb) {
 		pr_emerg("Kernel size is greater than memory node\n");
 		machine_restart(NULL);
 	}
 
 	/* Find main memory where the kernel is */
 	memory_start = (u32) memblock.memory.regions[0].base;
-	lowmem_size = memory_size = (u32) memblock.memory.regions[0].size;
+	lowmem_size = memory_size = (u32)memblock_first_region_size();
 
 	if (lowmem_size > CONFIG_LOWMEM_SIZE) {
 		lowmem_size = CONFIG_LOWMEM_SIZE;
-- 
2.5.0