phk malloc, was (Re: ptmalloc2)

Chris Pressey cpressey at catseye.mine.nu
Sat Feb 26 15:32:37 PST 2005


On Sat, 26 Feb 2005 14:27:13 -0500
Gary Thorpe <gathorpe79 at xxxxxxxxx> wrote:

> And the point we keep coming back to is that it is impossible for an 
> application to accurately self regulate its resource usage (unless you
> mean allowing command line flags to specify how much memory to use
> [why  not just set rlimits instead]) since it does not receive
> accurate  feedback from the kernel when over commit is allowed.

man mlock(1):

     [EAGAIN]      Locking the indicated range would exceed either the
                   system or per-process limit for locked memory.

Is that not accurate feedback?

-Chris





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