mm: page_isolation: MIGRATE_CMA isolation functions added

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / gfp.h

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 581e74b..1e49be4 100644 (file)
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -391,4 +391,16 @@ static inline bool pm_suspended_storage(void)
 }
 #endif /* CONFIG_PM_SLEEP */
 
+#ifdef CONFIG_CMA
+
+/* The below functions must be run on a range from a single zone. */
+extern int alloc_contig_range(unsigned long start, unsigned long end,
+                             unsigned migratetype);
+extern void free_contig_range(unsigned long pfn, unsigned nr_pages);
+
+/* CMA stuff */
+extern void init_cma_reserved_pageblock(struct page *page);
+
+#endif
+
 #endif /* __LINUX_GFP_H */