diff options
Diffstat (limited to 'mm/debug_page_alloc.c')
| -rw-r--r-- | mm/debug_page_alloc.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/mm/debug_page_alloc.c b/mm/debug_page_alloc.c index f9d145730fd1..6a26eca546c3 100644 --- a/mm/debug_page_alloc.c +++ b/mm/debug_page_alloc.c @@ -22,8 +22,8 @@ static int __init debug_guardpage_minorder_setup(char *buf) { unsigned long res; - if (kstrtoul(buf, 10, &res) < 0 || res > MAX_ORDER / 2) { - pr_err("Bad debug_guardpage_minorder value\n"); + if (kstrtoul(buf, 10, &res) < 0 || res > MAX_PAGE_ORDER / 2) { + pr_err("Bad debug_guardpage_minorder value: %s\n", buf); return 0; } _debug_guardpage_minorder = res; @@ -32,8 +32,7 @@ static int __init debug_guardpage_minorder_setup(char *buf) } early_param("debug_guardpage_minorder", debug_guardpage_minorder_setup); -bool __set_page_guard(struct zone *zone, struct page *page, unsigned int order, - int migratetype) +bool __set_page_guard(struct zone *zone, struct page *page, unsigned int order) { if (order >= debug_guardpage_minorder()) return false; @@ -41,19 +40,12 @@ bool __set_page_guard(struct zone *zone, struct page *page, unsigned int order, __SetPageGuard(page); INIT_LIST_HEAD(&page->buddy_list); set_page_private(page, order); - /* Guard pages are not available for any usage */ - if (!is_migrate_isolate(migratetype)) - __mod_zone_freepage_state(zone, -(1 << order), migratetype); return true; } -void __clear_page_guard(struct zone *zone, struct page *page, unsigned int order, - int migratetype) +void __clear_page_guard(struct zone *zone, struct page *page, unsigned int order) { __ClearPageGuard(page); - set_page_private(page, 0); - if (!is_migrate_isolate(migratetype)) - __mod_zone_freepage_state(zone, (1 << order), migratetype); } |