These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / page_owner.h

diff --git a/kernel/include/linux/page_owner.h b/kernel/include/linux/page_owner.h
index b48c347..cacaabe 100644 (file)
--- a/kernel/include/linux/page_owner.h
+++ b/kernel/include/linux/page_owner.h
@@ -8,6 +8,7 @@ extern struct page_ext_operations page_owner_ops;
 extern void __reset_page_owner(struct page *page, unsigned int order);
 extern void __set_page_owner(struct page *page,
                        unsigned int order, gfp_t gfp_mask);
+extern gfp_t __get_page_owner_gfp(struct page *page);
 
 static inline void reset_page_owner(struct page *page, unsigned int order)
 {
@@ -25,6 +26,14 @@ static inline void set_page_owner(struct page *page,
 
        __set_page_owner(page, order, gfp_mask);
 }
+
+static inline gfp_t get_page_owner_gfp(struct page *page)
+{
+       if (likely(!page_owner_inited))
+               return 0;
+
+       return __get_page_owner_gfp(page);
+}
 #else
 static inline void reset_page_owner(struct page *page, unsigned int order)
 {
@@ -33,6 +42,10 @@ static inline void set_page_owner(struct page *page,
                        unsigned int order, gfp_t gfp_mask)
 {
 }
+static inline gfp_t get_page_owner_gfp(struct page *page)
+{
+       return 0;
+}
 
 #endif /* CONFIG_PAGE_OWNER */
 #endif /* __LINUX_PAGE_OWNER_H */