Re: mlockall() semantics

[David Young <dyoung%pobox.com@localhost>]

On Tue, Oct 12, 2010 at 03:55:51PM +0100, Sad Clouds wrote:
> I run a process that does the following:
> 
> Call mlockall(MCL_FUTURE)
> 
> Run a loop, calling malloc() for a large number of objects. Object vary
> is size, from 1K to 1MB. Total memory allocated is about 1GB.
> 
> Looking at the output of 'top' command, it shows 'Wired' memory to be
> 666MB, which is much less than 1GB.

Your process may not have touched every page of the malloc()'d memory,
so they're not all mapped.

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933