Messages in this thread |  | | Date | Mon, 9 Aug 2004 23:32:54 -0700 | From | William Lee Irwin III <> | Subject | Re: 2.6.8-rc3-mm2 |
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On Sun, Aug 08, 2004 at 03:29:36PM -0700, Andrew Morton wrote: > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.8-rc3/2.6.8-rc3-mm2/ > - Added a little patch to the CPU scheduler which disables its array > switching. > This is purely experimental and will cause high-priority tasks to starve > lower-priority tasks indefinitely. It is here to determine whether it is > this aspect of the scheduler which caused the staircase scheduler to exhibit > improved throughput in some tests on NUMAq.
This patch can't do what the changelog claims it does; if it did, its implementation of yield() would render the yielding process forever unrunnable, plus the active/expired reassignment on sched.c:2672 would have gone away. What is it actually meant to do?
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