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

[Mason]

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.