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Date: Fri, 7 Dec 2007 23:01:38 +0100 From: Arnd Bergmann <arnd@...db.de> To: linuxppc-dev@...abs.org Cc: Balbir Singh <balbir@...ux.vnet.ibm.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] Fake NUMA emulation for PowerPC On Friday 07 December 2007, Balbir Singh wrote: > Here's a dumb simple implementation of fake NUMA nodes for PowerPC. Fake > NUMA nodes can be specified using the following command line option > > numa=fake=<node range> > > node range is of the format <range1>,<range2>,...<rangeN> Excellent idea! I'd love to have this in RHEL5u1, because that would make that distro boot on certain machines that have more memory than is supported without an iommu driver. The problem we have is that when you simply say mem=1G but all of the first gigabyte is on the first node, you end up with a memoryless node, which is not supported. Unfortunately, it comes too late for me now, as all new distros already boot on Cell machines that need an IOMMU. Arnd <>< -- 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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