mm: make page pfmemalloc check more robust

[firefly-linux-kernel-4.4.55.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index a48cbefde8cae6e6e6ce320546e3e64a92bf968d..36b23f1e2ca62612e6e1d1b2b9d74c3cd7e87db7 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -379,30 +379,6 @@ static inline void mminit_verify_zonelist(void)
 }
 #endif /* CONFIG_DEBUG_MEMORY_INIT */
 
-/*
- * Deferred struct page initialisation requires init functions that are freed
- * before kswapd is available. Reuse the memory hotplug section annotation
- * to mark the required code.
- *
- * __defermem_init is code that always exists but is annotated __meminit to
- *     avoid section warnings.
- * __defer_init code gets marked __meminit when deferring struct page
- *     initialistion but is otherwise in the init section.
- */
-#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
-#define __defermem_init __meminit
-#define __defer_init    __meminit
-
-void deferred_init_memmap(int nid);
-#else
-#define __defermem_init
-#define __defer_init __init
-
-static inline void deferred_init_memmap(int nid)
-{
-}
-#endif
-
 /* mminit_validate_memmodel_limits is independent of CONFIG_DEBUG_MEMORY_INIT */
 #if defined(CONFIG_SPARSEMEM)
 extern void mminit_validate_memmodel_limits(unsigned long *start_pfn,