Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: how to limit memory with 2.6.10 on ppc64 machine? | Date | Sat, 4 Feb 2006 11:54:02 +1100 |
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On Sat, 4 Feb 2006 10:21, Christopher Friesen wrote: > I'm running 2.6.10 on a ppc64 machine with 4GB of memory. > > We're debugging an issue and would like to try and see if disabling the > U3 DART makes the problem go away. Unfortunately, this particular blade > is unstable if not all the memory banks are populated. > > After some frustration I looked at the code and realized that the "mem=" > functionality is not supported for ppc64 on this particular kernel. > > Can anyone give me some advice on the simplest way to limit this thing > to under 2GB of memory so that the DART is not allocated/used? > > Does anyone know when support for "mem=" was added? I know it is there > in the current git version, but the "powerpc" consolidation means > everything is all different now.
From memory (harhar) the mem= support was merged in 2.6.11, so the original patch should _probably_ apply on a vanilla 2.6.10 tree, try it:
http://patchwork.ozlabs.org/linuxppc64/patch?id=724
cheers
-- Michael Ellerman IBM OzLabs
email: michael:ellerman.id.au inmsg: mpe:jabber.org wwweb: http://michael.ellerman.id.au phone: +61 2 6212 1183 (tie line 70 21183)
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