Linux kernel 3.9-rc1 allows crashkernel above 4GB, but current
kexec-tools doesn't support it yet.
This patch is only a workaround to make kdump work again.
This patch should be removed after kexec-tools 2.0.4 release.

Signed-off-by: Jingbai Ma <jingbai...@hp.com>
---
 arch/x86/kernel/setup.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 165c831..15321d6 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -506,7 +506,8 @@ static void __init 
memblock_x86_reserve_range_setup_data(void)
 #ifdef CONFIG_X86_32
 # define CRASH_KERNEL_ADDR_MAX (512 << 20)
 #else
-# define CRASH_KERNEL_ADDR_MAX MAXMEM
+/* # define CRASH_KERNEL_ADDR_MAX      MAXMEM */
+# define CRASH_KERNEL_ADDR_MAX (896 << 20)
 #endif
 
 static void __init reserve_crashkernel_low(void)

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