Merge branch 'master' into for-2.6.39

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 5164069ced42..cddd684364da 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -297,6 +297,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
         memblock_reserve(__pa(_stext), _end - _stext);
 #endif
 #ifdef CONFIG_BLK_DEV_INITRD
+        if (phys_initrd_size &&
+            memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
+                pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
+                       phys_initrd_start, phys_initrd_size);
+                phys_initrd_start = phys_initrd_size = 0;
+        }
         if (phys_initrd_size) {
                 memblock_reserve(phys_initrd_start, phys_initrd_size);