From 7d41a8a4a2b2438621a9159477bff36a11d79a42 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 24 Jan 2013 12:20:10 -0800 Subject: [PATCH] x86, kdump: Remove crashkernel range find limit for 64bit Now kexeced kernel/ramdisk could be above 4g, so remove 896 limit for 64bit. Signed-off-by: Yinghai Lu Link: http://lkml.kernel.org/r/1359058816-7615-30-git-send-email-yinghai@kernel.org Signed-off-by: H. Peter Anvin --- arch/x86/kernel/setup.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index bbe8cdf7515e..4778ddeedc8a 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -501,13 +501,11 @@ static void __init memblock_x86_reserve_range_setup_data(void) /* * 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. - * On 64 bits, kexec-tools currently limits us to 896 MiB; increase this - * limit once kexec-tools are fixed. */ #ifdef CONFIG_X86_32 # define CRASH_KERNEL_ADDR_MAX (512 << 20) #else -# define CRASH_KERNEL_ADDR_MAX (896 << 20) +# define CRASH_KERNEL_ADDR_MAX MAXMEM #endif static void __init reserve_crashkernel(void)