diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c988d324e3f6..26246fdf45b5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5005,15 +5005,6 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP /* - * If not mirrored_kernelcore and ZONE_MOVABLE exists, range - * from zone_movable_pfn[nid] to end of each node should be - * ZONE_MOVABLE not ZONE_NORMAL. skip it. - */ - if (!mirrored_kernelcore && zone_movable_pfn[nid]) - if (zone == ZONE_NORMAL && pfn >= zone_movable_pfn[nid]) - continue; - - /* * Check given memblock attribute by firmware which can affect * kernel memory layout. If zone==ZONE_MOVABLE but memory is * mirrored, it's an overlapped memmap init. skip it. @@ -5456,6 +5447,12 @@ static void __meminit adjust_zone_range_for_zone_movable(int nid, *zone_end_pfn = min(node_end_pfn, arch_zone_highest_possible_pfn[movable_zone]); + /* Adjust for ZONE_MOVABLE starting within this range */ + } else if (!mirrored_kernelcore && + *zone_start_pfn < zone_movable_pfn[nid] && + *zone_end_pfn > zone_movable_pfn[nid]) { + *zone_end_pfn = zone_movable_pfn[nid]; + /* Check if this whole range is within ZONE_MOVABLE */ } else if (*zone_start_pfn >= zone_movable_pfn[nid]) *zone_start_pfn = *zone_end_pfn; @@ -5559,28 +5556,23 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid, * Treat pages to be ZONE_MOVABLE in ZONE_NORMAL as absent pages * and vice versa. */ - if (zone_movable_pfn[nid]) { - if (mirrored_kernelcore) { - unsigned long start_pfn, end_pfn; - struct memblock_region *r; - - for_each_memblock(memory, r) { - start_pfn = clamp(memblock_region_memory_base_pfn(r), - zone_start_pfn, zone_end_pfn); - end_pfn = clamp(memblock_region_memory_end_pfn(r), - zone_start_pfn, zone_end_pfn); - - if (zone_type == ZONE_MOVABLE && - memblock_is_mirror(r)) - nr_absent += end_pfn - start_pfn; - - if (zone_type == ZONE_NORMAL && - !memblock_is_mirror(r)) - nr_absent += end_pfn - start_pfn; - } - } else { - if (zone_type == ZONE_NORMAL) - nr_absent += node_end_pfn - zone_movable_pfn[nid]; + if (mirrored_kernelcore && zone_movable_pfn[nid]) { + unsigned long start_pfn, end_pfn; + struct memblock_region *r; + + for_each_memblock(memory, r) { + start_pfn = clamp(memblock_region_memory_base_pfn(r), + zone_start_pfn, zone_end_pfn); + end_pfn = clamp(memblock_region_memory_end_pfn(r), + zone_start_pfn, zone_end_pfn); + + if (zone_type == ZONE_MOVABLE && + memblock_is_mirror(r)) + nr_absent += end_pfn - start_pfn; + + if (zone_type == ZONE_NORMAL && + !memblock_is_mirror(r)) + nr_absent += end_pfn - start_pfn; } } |