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SubjectRe: cpu-2.5.64-1
Date
On Mon, 10 Mar 2003 20:24:57 -0800, 
William Lee Irwin III <wli@holomorphy.com> wrote:
>Enable NUMA-Q's to run with more than 32 cpus by introducing a bitmap
>ADT and using it for cpu bitmasks on i386. Only good for up to 60 cpus;
>64x requires support for node-local cluster ID to physical node routes.
>diff -urpN linux-2.5.64/arch/i386/kernel/cpu/proc.c cpu-2.5.64-1/arch/i386/kernel/cpu/proc.c
>- if (!(cpu_online_map & (1<<n)))
>+ if (!cpu_isset(n, cpu_online_map))
if (!cpu_online(n))

Any main line code that explicitly refers to cpu_online_map is an
ongoing maintenance problem. Nothing should refer to cpu_online_map
except the encapsulating macros such as cpu_online().

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