diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 88bc14fde8c4..f7a66fd143fd 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -99,6 +99,10 @@ 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 ee3d2cc59106..e3056af25546 100644
--- a/arch/arm/mm/pageattr.c
+++ b/arch/arm/mm/pageattr.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014,2017-2018 The Linux Foundation. All rights reserved.
  */
 #include <linux/mm.h>
 #include <linux/module.h>
@@ -89,3 +89,19 @@ 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