Re: additional oom-killer tuneable worth submitting?

Alan
2006-12-08T15:47:54Z

> What I understood from Arjan is that the problem isn't swapspace, but rather
> that shared-libs are implement via a COW trick, which always overcommits, no
> matter what.

The zero overcommit layer accounts address space not pages.

> Are you saying there is some new no-overcommit functionality in 2.6.19, or
> has this been there before?

Red Hat Enterprise Linux for a very long time, got merged upstream a long
long time ago to. Then got various fixes along the way. It's old
functionality.

Alan