1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/kernel/crash_dump.c b/arch/arm/kernel/crash_dump.c
index 90c50d4b43f7..5d1286d51154 100644
--- a/arch/arm/kernel/crash_dump.c
+++ b/arch/arm/kernel/crash_dump.c
@@ -39,7 +39,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
         if (!csize)
                 return 0;
 
-        vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+        vaddr = ioremap(__pfn_to_phys(pfn), PAGE_SIZE);
         if (!vaddr)
                 return -ENOMEM;