Re: [PATCH] mm: add config option to select the initial overcommit mode

Mason
2016-05-13T12:15:54Z

On 13/05/2016 13:44, Michal Hocko wrote:

> Anyway, this is my laptop where I do not run anything really special
> (xfce, browser, few consoles, git, mutt):
> $ grep Commit /proc/meminfo
> CommitLimit: 3497288 kB
> Committed_AS: 3560804 kB
>
> I am running with the default overcommit setup so I do not care about
> the limit but the Committed_AS will tell you how much is actually
> committed. I am definitelly not out of memory:
> $ free
> total used free shared buff/cache available
> Mem: 3922584 1724120 217336 105264 1981128 2036164
> Swap: 1535996 386364 1149632

I see. Thanks for the data point.

I had a different type of system in mind.
256 to 512 MB of RAM, no swap.
Perhaps Sebastian's choice could be made to depend on CONFIG_EMBEDDED,
rather than CONFIG_EXPERT?

Regards.