diff --git a/[refs] b/[refs]
index 10e06b2d991f..1d87bd7c725b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eaa3be6add6f327ab0a633e4fee8e6f2cc8c8a4c
+refs/heads/master: 09c71bfd8384278c42f56380365940508194cec0
diff --git a/trunk/arch/x86/kernel/setup.c b/trunk/arch/x86/kernel/setup.c
index 88638883176a..ab77aae4ad9b 100644
--- a/trunk/arch/x86/kernel/setup.c
+++ b/trunk/arch/x86/kernel/setup.c
@@ -509,15 +509,6 @@ static void __init memblock_x86_reserve_range_setup_data(void)
 
 #ifdef CONFIG_KEXEC
 
-static inline unsigned long long get_total_mem(void)
-{
-	unsigned long long total;
-
-	total = max_pfn - min_low_pfn;
-
-	return total << PAGE_SHIFT;
-}
-
 /*
  * Keep the crash kernel below this limit.  On 32 bits earlier kernels
  * would limit the kernel to the low 512 MiB due to mapping restrictions.
@@ -536,7 +527,7 @@ static void __init reserve_crashkernel(void)
 	unsigned long long crash_size, crash_base;
 	int ret;
 
-	total_mem = get_total_mem();
+	total_mem = memblock_phys_mem_size();
 
 	ret = parse_crashkernel(boot_command_line, total_mem,
 			&crash_size, &crash_base);