On Thu, Apr 12, 2007 at 04:56:24PM -0400, Mouawad, Tony wrote: > I have noticed that with overcommit_memory=2 and overcommit_ratio=100, > my system cannot leverage as much ram as it could if it was configured > for overcommit_memory=0. > > Is this because when overcommit_memory=2, anything that mallocs memory > but doesn't touch that memory is counted as used memory?
Most probably, yes. This proves that your system may endup doing OOM in mode 0 if one of your applications suddenly decided to use all the memory it has allocated. > I see a value > in /proc/meminfo called Commited_AS: and it seems to reflect what has > been malloced in the system but not necessarily touched. Is this true? Yes (at least I do think so). Regards, Willy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/