Messages in this thread | | | Subject | Re: [PATCH] 2.4.18-rc2 Fix for get_pid hang | From | Paul Larson <> | Date | 25 Feb 2002 07:41:30 -0600 |
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On Fri, 2002-02-22 at 18:29, Alan Cox wrote: > > This was made against 2.4.18-rc2 but applies cleanly against > > 2.4.18-rc4. This is a fix for a problem where if we run out of > > available pids, get_pid will hang the system while it searches through > > the tasks for an available pid forever. > > Wouldn't it be a much cleaner patch to limit the maximum number of processes > to less than the number of pids available. You seem to be fixing a non > problem by adding branches to the innards of a loop. > That was my original thought, but as Rik and WLI already pointed out, it won't account for process groups, tgids, etc. This isn't a purely theoretical problem either, as we have run up against it many times.
Thanks, Paul Larson
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