Messages in this thread | | | Date | Thu, 24 Sep 2020 15:58:05 +0200 | From | Peter Zijlstra <> | Subject | Re: [patch RFC 00/15] mm/highmem: Provide a preemptible variant of kmap_atomic & friends |
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On Thu, Sep 24, 2020 at 09:51:38AM -0400, Steven Rostedt wrote:
> > It turns out, that getting selected for pull-balance is exactly that > > condition, and clearly a migrate_disable() task cannot be pulled, but we > > can use that signal to try and pull away the running task that's in the > > way. > > Unless of course that running task is in a migrate disable section > itself ;-)
See my ramblings here:
https://lkml.kernel.org/r/20200924082717.GA1362448@hirez.programming.kicks-ass.net
My plan was to have the migrate_enable() of the running task trigger the migration in that case.
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