[PD-dev] memory locking policy

[Tom Schouten]

> 
> >        If  MCL_FUTURE  has  been  specified and the number of locked
> >        pages exceeds the upper limit of allowed locked pages, then the
> >        system call which caused the new mapping will fail with ENOMEM.
> >        If  these new pages have been mapped by the the growing stack,
> >        then the kernel will deny stack expansion and send a SIGSEGV.
> 
> to me this seems to be the reason for the soundfiler problems, but it
> can reduce the stability of a working patch, so i'd suggest to find ways
> to solve this problem ...
>

what sets the upper limit actually?