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Message-Id: <20090805112211.6552.58889.sendpatchset@localhost.localdomain> Date: Wed, 5 Aug 2009 07:19:51 -0400 From: Amerigo Wang <amwang@...hat.com> To: linux-kernel@...r.kernel.org Cc: tony.luck@...el.com, linux-ia64@...r.kernel.org, Neil Horman <nhorman@...hat.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Amerigo Wang <amwang@...hat.com>, akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>, Anton Vorontsov <avorontsov@...mvista.com> Subject: [Patch 5/7] powerpc: add CONFIG_KEXEC_AUTO_RESERVE Introduce a new config option KEXEC_AUTO_RESERVE for powerpc. Signed-off-by: WANG Cong <amwang@...hat.com> --- Index: linux-2.6/arch/powerpc/Kconfig =================================================================== --- linux-2.6.orig/arch/powerpc/Kconfig +++ linux-2.6/arch/powerpc/Kconfig @@ -346,6 +346,16 @@ 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 PPC, 256M is reserved and only when you have memory > 4G. + config CRASH_DUMP bool "Build a kdump crash kernel" depends on PPC64 || 6xx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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