1 files changed, 7 insertions, 5 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a5f3c278c57..30d5093a099 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -73,6 +73,7 @@ unsigned long totalram_pages __read_mostly;
 unsigned long totalreserve_pages __read_mostly;
 unsigned long highest_memmap_pfn __read_mostly;
 int percpu_pagelist_fraction;
+gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
 
 #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
 int pageblock_order __read_mostly;
@@ -487,7 +488,6 @@ static inline void __free_one_page(struct page *page,
  */
 static inline void free_page_mlock(struct page *page)
 {
-	__ClearPageMlocked(page);
 	__dec_zone_page_state(page, NR_MLOCK);
 	__count_vm_event(UNEVICTABLE_MLOCKFREED);
 }
@@ -557,7 +557,7 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 	unsigned long flags;
 	int i;
 	int bad = 0;
-	int clearMlocked = PageMlocked(page);
+	int wasMlocked = TestClearPageMlocked(page);
 
 	kmemcheck_free_shadow(page, order);
 
@@ -575,7 +575,7 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 	kernel_map_pages(page, 1 << order, 0);
 
 	local_irq_save(flags);
-	if (unlikely(clearMlocked))
+	if (unlikely(wasMlocked))
 		free_page_mlock(page);
 	__count_vm_events(PGFREE, 1 << order);
 	free_one_page(page_zone(page), page, order,
@@ -1021,7 +1021,7 @@ static void free_hot_cold_page(struct page *page, int cold)
 	struct zone *zone = page_zone(page);
 	struct per_cpu_pages *pcp;
 	unsigned long flags;
-	int clearMlocked = PageMlocked(page);
+	int wasMlocked = TestClearPageMlocked(page);
 
 	kmemcheck_free_shadow(page, 0);
 
@@ -1040,7 +1040,7 @@ static void free_hot_cold_page(struct page *page, int cold)
 	pcp = &zone_pcp(zone, get_cpu())->pcp;
 	set_page_private(page, get_pageblock_migratetype(page));
 	local_irq_save(flags);
-	if (unlikely(clearMlocked))
+	if (unlikely(wasMlocked))
 		free_page_mlock(page);
 	__count_vm_event(PGFREE);
 
@@ -1863,6 +1863,8 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order,
 	struct page *page;
 	int migratetype = allocflags_to_migratetype(gfp_mask);
 
+	gfp_mask &= gfp_allowed_mask;
+
 	lockdep_trace_alloc(gfp_mask);
 
 	might_sleep_if(gfp_mask & __GFP_WAIT);