diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 6413c70c94a0..908022d60dfb 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -92,6 +92,10 @@ config DEBUG_USER
 	      8 - SIGSEGV faults
 	     16 - SIGBUS faults
 
+config ARCH_SUPPORTS_DEBUG_PAGEALLOC
+	def_bool y
+	depends on FORCE_PAGES
+
 config FORCE_PAGES
 	bool "Force lowmem to be mapped with 4K pages"
         help
diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c
index 86e441bad6e3..365dc9d7756c 100644
--- a/arch/arm/mm/pageattr.c
+++ b/arch/arm/mm/pageattr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014,2017-2018 The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -98,3 +98,19 @@ int set_memory_x(unsigned long addr, int numpages)
 					__pgprot(0),
 					__pgprot(L_PTE_XN));
 }
+
+#ifdef CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC
+void __kernel_map_pages(struct page *page, int numpages, int enable)
+{
+	unsigned long addr;
+
+	if (PageHighMem(page))
+		return;
+
+	addr = (unsigned long) page_address(page);
+	if (enable)
+		set_memory_rw(addr, numpages);
+	else
+		set_memory_ro(addr, numpages);
+}
+#endif