Commit 7d41a8a4 authored by Yinghai Lu's avatar Yinghai Lu Committed by H. Peter Anvin

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: default avatarYinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-30-git-send-email-yinghai@kernel.orgSigned-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent 595ad9af
......@@ -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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