x86-64: add CONFIG_PHYSICAL_ALIGN for consistency with i386

Add CONFIG_PHYSICAL_ALIGN (currently as a hardcoded constant) to provide
consistency with i386.  This value is manifest in the bzImage header.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 5ce94430c019..8bdd25ac1542 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -427,6 +427,10 @@ config NR_CPUS
           This is purely to save memory - each supported CPU requires
           memory in the static kernel configuration.
 
+config PHYSICAL_ALIGN
+        hex
+        default "0x200000"
+
 config HOTPLUG_CPU
         bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)"
         depends on SMP && HOTPLUG && EXPERIMENTAL