diff --git a/[refs] b/[refs]
index 8810bc2df047..f00a975d542f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4cabd1d9625c7d88acd143f4021fbef75394f154
+refs/heads/master: c564df4db85aac8d1d65a56176a0a25f46138064
diff --git a/trunk/arch/arm/kernel/machine_kexec.c b/trunk/arch/arm/kernel/machine_kexec.c
index dee34efca748..e29c3337ca81 100644
--- a/trunk/arch/arm/kernel/machine_kexec.c
+++ b/trunk/arch/arm/kernel/machine_kexec.c
@@ -8,6 +8,7 @@
 #include <linux/reboot.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/memblock.h>
 #include <asm/pgtable.h>
 #include <linux/of_fdt.h>
 #include <asm/pgalloc.h>
@@ -44,6 +45,11 @@ int machine_kexec_prepare(struct kimage *image)
 	for (i = 0; i < image->nr_segments; i++) {
 		current_segment = &image->segment[i];
 
+		err = memblock_is_region_memory(current_segment->mem,
+						current_segment->memsz);
+		if (err)
+			return - EINVAL;
+
 		err = get_user(header, (__be32*)current_segment->buf);
 		if (err)
 			return err;