Messages in this thread Patch in this message |  | | From | Yinghai Lu <> | Subject | [PATCH v6 25/27] x86, kdump: remove crashkernel range find limit for 64bit | Date | Thu, 13 Dec 2012 14:02:19 -0800 |
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Now kexeced kernel/ramdisk could be above 4g, so remove 896 limit for 64bit.
Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- 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 d0082a0..e73928a 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -515,13 +515,11 @@ 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) -- 1.7.10.4
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