mm/cma_debug: fix debugging alloc/free interface

[pandora-kernel.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 506eac8..ef19f22 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -246,9 +246,7 @@ static inline void reset_deferred_meminit(pg_data_t *pgdat)
 /* Returns true if the struct page for the pfn is uninitialised */
 static inline bool __meminit early_page_uninitialised(unsigned long pfn)
 {
-       int nid = early_pfn_to_nid(pfn);
-
-       if (pfn >= NODE_DATA(nid)->first_deferred_pfn)
+       if (pfn >= NODE_DATA(early_pfn_to_nid(pfn))->first_deferred_pfn)
                return true;
 
        return false;
@@ -1950,6 +1948,7 @@ void free_hot_cold_page_list(struct list_head *list, bool cold)
 void split_page(struct page *page, unsigned int order)
 {
        int i;
+       gfp_t gfp_mask;
 
        VM_BUG_ON_PAGE(PageCompound(page), page);
        VM_BUG_ON_PAGE(!page_count(page), page);
@@ -1963,10 +1962,11 @@ void split_page(struct page *page, unsigned int order)
                split_page(virt_to_page(page[0].shadow), order);
 #endif
 
-       set_page_owner(page, 0, 0);
+       gfp_mask = get_page_owner_gfp(page);
+       set_page_owner(page, 0, gfp_mask);
        for (i = 1; i < (1 << order); i++) {
                set_page_refcounted(page + i);
-               set_page_owner(page + i, 0, 0);
+               set_page_owner(page + i, 0, gfp_mask);
        }
 }
 EXPORT_SYMBOL_GPL(split_page);
@@ -1996,6 +1996,8 @@ int __isolate_free_page(struct page *page, unsigned int order)
        zone->free_area[order].nr_free--;
        rmv_page_order(page);
 
+       set_page_owner(page, order, __GFP_MOVABLE);
+
        /* Set the pageblock if the isolated page is at least a pageblock */
        if (order >= pageblock_order - 1) {
                struct page *endpage = page + (1 << order) - 1;
@@ -2007,7 +2009,7 @@ int __isolate_free_page(struct page *page, unsigned int order)
                }
        }
 
-       set_page_owner(page, order, 0);
+
        return 1UL << order;
 }