[PATCH] powerpc: Add CONFIG_CRASH_DUMP

This patch adds a Kconfig variable, CONFIG_CRASH_DUMP, which configures the
built kernel for use as a Kdump kernel.

Currently "all" this involves is changing the value of KERNELBASE to 32 MB.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 65603e9af984..6509dd7c2f8f 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -512,6 +512,9 @@ void __init setup_system(void)
                ppc64_caches.iline_size);
         printk("htab_address                  = 0x%p\n", htab_address);
         printk("htab_hash_mask                = 0x%lx\n", htab_hash_mask);
+#if PHYSICAL_START > 0
+        printk("physical_start                = 0x%x\n", PHYSICAL_START);
+#endif
         printk("-----------------------------------------------------\n");
 
         mm_init_ppc64();