Messages in this thread | | | Date | Wed, 5 Aug 2009 09:49:28 -0400 | From | Neil Horman <> | Subject | Re: [Patch 5/7] powerpc: add CONFIG_KEXEC_AUTO_RESERVE |
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On Wed, Aug 05, 2009 at 07:19:51AM -0400, Amerigo Wang wrote: > > Introduce a new config option KEXEC_AUTO_RESERVE for powerpc. > > Signed-off-by: WANG Cong <amwang@redhat.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
Acked-by: Neil Horman <nhorman@tuxdriver.com>
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