Introduce a new config option KEXEC_AUTO_RESERVE for x86. Signed-off-by: WANG Cong <amwang@xxxxxxxxxx> Acked-by: Neil Horman <nhorman@xxxxxxxxxxxxx> --- Index: linux-2.6/arch/x86/Kconfig =================================================================== --- linux-2.6.orig/arch/x86/Kconfig +++ linux-2.6/arch/x86/Kconfig @@ -1482,6 +1482,16 @@ config KEXEC support. As of this writing the exact hardware interface is strongly in flux, so no good recommendation can be made. +config KEXEC_AUTO_RESERVE + bool "automatically reserve memory for kexec kernel" + depends on KEXEC + default y + ---help--- + Automatically reserve memory for a kexec kernel, so that you don't + need to specify numbers for the "crashkernel=X@Y" boot option, + instead you can use "crashkernel=auto". + On x86, 128M is reserved and only when you have memory > 4G. + config CRASH_DUMP bool "kernel crash dumps" depends on X86_64 || (X86_32 && HIGHMEM) -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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