Re: [PATCH 1/3] [PATCH i386] during VM oom condition, kill all threads in process group

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On Thu, 7 Jun 2007 18:16:21 -0500
Anton Blanchard <[email protected]> wrote:

>  
> Hi,
> 
> > zap_other_threads() requires tasklist_lock.
> > 
> > If we're going to do this then we should probably create some new function
> > (with a better name) which takes tasklsit_lock and then calls
> > zap_other_threads().
> > 
> > Does this patch fix any observed-in-the-real-world problem?  If so, please
> > describe it.
> 
> Yeah we have had complaints where threaded apps have only one thread
> shot down instead of the entire process. This leaves the application in
> a bad state, whereas if it had been killed cleanly the application could
> have restarted.
> 
> My understanding is that fatal signals should kill all threads in the
> group.
> 

OK, well could we please get all that info appropriatelt captured in #2's
changelog?

Other architectures will probably need to implement this.
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