Date: Sun, 21 Sep 2014 16:43:51 -0400 From: suresh gumpula <gsuryacse7k@gmail.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: stack size rlimit Message-ID: <CAJOqHmi71=-ofp0RUqbR=NinzQOjeF8puOFpNzrw3%2BG3c3dREw@mail.gmail.com> In-Reply-To: <20140921203410.GM2210@kib.kiev.ua> References: <CAJOqHmhpjuh5em%2Bdr8Qpqu8fCsDnwC6_znSZYwc=XdM90OAVvw@mail.gmail.com> <20140921195943.GK2210@kib.kiev.ua> <CAJOqHmhAn=-0izzxTOmoAJDsnafTtUqO4niTxGNSM8H5S40wYA@mail.gmail.com> <20140921203410.GM2210@kib.kiev.ua>
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Yes, we may not really need this big stack space for a process. I am just experimenting RLIMIT_INFINITY on BSD and linux. On BSD we are limiting to kern.maxssiz it seems. And the address map layout which described in the design book , is not what we are doing as you said. Thank you! On Sun, Sep 21, 2014 at 4:34 PM, Konstantin Belousov <kostikbel@gmail.com> wrote: > On Sun, Sep 21, 2014 at 04:19:38PM -0400, suresh gumpula wrote: > > Thank you ! . So we cannot have the stack size beyond 512M . correct ? > You have to adjust kern.maxssiz to be able to bump RLIMIT_STACK beyond > 512M (on amd64). > > Just curious, why do you need this ? > > > > > % sudo ./test_stack > > Current limit value is : 8M > > max limit value is : 512M > > > > Changing the limits to infinity... > > > > Current limit value now is : 512M > > max limit value now is : 512M >
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