| Date | Tue, 29 Jan 2013 17:50:16 -0800 | From | tip-bot for Yinghai Lu <> | Subject | [tip:x86/mm2] x86, kdump: Remove crashkernel range find limit for 64bit |
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Commit-ID: 574d69ea03612f707e7d8116ffe12a24f088bc1e Gitweb: http://git.kernel.org/tip/574d69ea03612f707e7d8116ffe12a24f088bc1e Author: Yinghai Lu <yinghai@kernel.org> AuthorDate: Thu, 24 Jan 2013 12:20:10 -0800 Committer: H. Peter Anvin <hpa@linux.intel.com> CommitDate: Tue, 29 Jan 2013 15:31:56 -0800
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 <yinghai@kernel.org> Link: http://lkml.kernel.org/r/1359058816-7615-30-git-send-email-yinghai@kernel.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> --- 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 bbe8cdf..4778dde 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)
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