[RFC] nptl: change default stack guard size of threads

[Florian Weimer]

On 11/29/2017 11:38 PM, Carlos O'Donell wrote:
> On 11/29/2017 02:28 PM, Wilco Dijkstra wrote:
>> Why should it be any different from LP64? Typical page size will still be
>> 64KB, so a 4KB guard would be rounded up to 64KB. An ILP32 system
>> with 64KB pages could create  ~30000 threads per process. Does that
>> make it unusable?
> 
> ... and this is already configurable via pthread_attr_setguardsize(), so
> you *could* tune a system to have smaller guards against the recommendation
> of the runtime authors?

Sure, if you recompile your application.  That's not really a solution IMHO.

Florian