diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e3f00f622f28..f1f455a69cef 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -838,33 +838,12 @@ static int free_tail_pages_check(struct page *head_page, struct page *page) static void __meminit __init_single_page(struct page *page, unsigned long pfn, unsigned long zone, int nid) { - struct zone *z = &NODE_DATA(nid)->node_zones[zone]; - set_page_links(page, zone, nid, pfn); mminit_verify_page_links(page, zone, nid, pfn); init_page_count(page); page_mapcount_reset(page); page_cpupid_reset_last(page); - /* - * Mark the block movable so that blocks are reserved for - * movable at startup. This will force kernel allocations - * to reserve their blocks rather than leaking throughout - * the address space during boot when many long-lived - * kernel allocations are made. Later some blocks near - * the start are marked MIGRATE_RESERVE by - * setup_zone_migrate_reserve() - * - * bitmap is created for zone's valid pfn range. but memmap - * can be created for invalid pages (for alignment) - * check here not to call set_pageblock_migratetype() against - * pfn out of zone. - */ - if ((z->zone_start_pfn <= pfn) - && (pfn < zone_end_pfn(z)) - && !(pfn & (pageblock_nr_pages - 1))) - set_pageblock_migratetype(page, MIGRATE_MOVABLE); - INIT_LIST_HEAD(&page->lru); #ifdef WANT_PAGE_VIRTUAL /* The shift won't overflow because ZONE_NORMAL is below 4G. */ @@ -1073,6 +1052,7 @@ static void __defermem_init deferred_free_range(struct page *page, /* Free a large naturally-aligned chunk if possible */ if (nr_pages == MAX_ORDER_NR_PAGES && (pfn & (MAX_ORDER_NR_PAGES-1)) == 0) { + set_pageblock_migratetype(page, MIGRATE_MOVABLE); __free_pages_boot_core(page, pfn, MAX_ORDER-1); return; } @@ -4593,7 +4573,29 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, &nr_initialised)) break; } - __init_single_pfn(pfn, zone, nid); + + /* + * Mark the block movable so that blocks are reserved for + * movable at startup. This will force kernel allocations + * to reserve their blocks rather than leaking throughout + * the address space during boot when many long-lived + * kernel allocations are made. Later some blocks near + * the start are marked MIGRATE_RESERVE by + * setup_zone_migrate_reserve() + * + * bitmap is created for zone's valid pfn range. but memmap + * can be created for invalid pages (for alignment) + * check here not to call set_pageblock_migratetype() against + * pfn out of zone. + */ + if (!(pfn & (pageblock_nr_pages - 1))) { + struct page *page = pfn_to_page(pfn); + + __init_single_page(page, pfn, zone, nid); + set_pageblock_migratetype(page, MIGRATE_MOVABLE); + } else { + __init_single_pfn(pfn, zone, nid); + } } } |