Memory size unaligned to section boundary

Ok, so does that mean that Mark's original patch:

---->8----

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4e6ef89..2ea13f0 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c

@@ -1125,9 +1125,9 @@ void __init sanity_check_meminfo(void)
                         * occurs before any free memory is mapped.
                         */
                        if (!memblock_limit) {
-                               if (!IS_ALIGNED(block_start, SECTION_SIZE))
+                               if (!IS_ALIGNED(block_start, PMD_SIZE))
                                        memblock_limit = block_start;
-                               else if (!IS_ALIGNED(block_end, SECTION_SIZE))
+                               else if (!IS_ALIGNED(block_end, PMD_SIZE))
                                        memblock_limit = arm_lowmem_limit;
                        }

@@ -1142,7 +1142,7 @@ void __init sanity_check_meminfo(void)
         * last full section, which should be mapped.
         */
        if (memblock_limit)
-               memblock_limit = round_down(memblock_limit, SECTION_SIZE);
+               memblock_limit = round_down(memblock_limit, PMD_SIZE);
        if (!memblock_limit)
                memblock_limit = arm_lowmem_limit;

Is good, or do we only need to have the last chunk of this patch ?