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2007 Oct 19
3
Problem with nr_nodes on large memory NUMA machine
We''ve run into an issue with an 8 node x3950 where xm info is showing
only 6 nodes. I''ve traced the problem to the clip_to_limit function in
arch/x86/e820.c.
#ifdef __x86_64__
clip_to_limit((uint64_t)(MACH2PHYS_COMPAT_VIRT_END -
__HYPERVISOR_COMPAT_VIRT_START) << 10,
"Only the first %u GB of the physical memory map