diff options
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/fault.c | 1 | ||||
| -rw-r--r-- | arch/s390/mm/init.c | 30 | ||||
| -rw-r--r-- | arch/s390/mm/mmap.c | 2 | ||||
| -rw-r--r-- | arch/s390/mm/pgtable.c | 2 |
4 files changed, 28 insertions, 7 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 354dd39073e..e8fcd928dc7 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -36,7 +36,6 @@ #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/mmu_context.h> -#include <asm/compat.h> #include "../kernel/entry.h" #ifndef CONFIG_64BIT diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 5d633019d8f..50236610de8 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -223,16 +223,38 @@ void free_initrd_mem(unsigned long start, unsigned long end) #ifdef CONFIG_MEMORY_HOTPLUG int arch_add_memory(int nid, u64 start, u64 size) { - struct pglist_data *pgdat; + unsigned long zone_start_pfn, zone_end_pfn, nr_pages; + unsigned long start_pfn = PFN_DOWN(start); + unsigned long size_pages = PFN_DOWN(size); struct zone *zone; int rc; - pgdat = NODE_DATA(nid); - zone = pgdat->node_zones + ZONE_MOVABLE; rc = vmem_add_mapping(start, size); if (rc) return rc; - rc = __add_pages(nid, zone, PFN_DOWN(start), PFN_DOWN(size)); + for_each_zone(zone) { + if (zone_idx(zone) != ZONE_MOVABLE) { + /* Add range within existing zone limits */ + zone_start_pfn = zone->zone_start_pfn; + zone_end_pfn = zone->zone_start_pfn + + zone->spanned_pages; + } else { + /* Add remaining range to ZONE_MOVABLE */ + zone_start_pfn = start_pfn; + zone_end_pfn = start_pfn + size_pages; + } + if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn) + continue; + nr_pages = (start_pfn + size_pages > zone_end_pfn) ? + zone_end_pfn - start_pfn : size_pages; + rc = __add_pages(nid, zone, start_pfn, nr_pages); + if (rc) + break; + start_pfn += nr_pages; + size_pages -= nr_pages; + if (!size_pages) + break; + } if (rc) vmem_remove_mapping(start, size); return rc; diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index f09c74881b7..a0155c02e32 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -29,8 +29,8 @@ #include <linux/mman.h> #include <linux/module.h> #include <linux/random.h> +#include <linux/compat.h> #include <asm/pgalloc.h> -#include <asm/compat.h> static unsigned long stack_maxrandom_size(void) { diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 9a4d02f64f1..51b0738e13d 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -574,7 +574,7 @@ static inline void page_table_free_pgste(unsigned long *table) page = pfn_to_page(__pa(table) >> PAGE_SHIFT); mp = (struct gmap_pgtable *) page->index; BUG_ON(!list_empty(&mp->mapper)); - pgtable_page_ctor(page); + pgtable_page_dtor(page); atomic_set(&page->_mapcount, -1); kfree(mp); __free_page(page); |