Re: [PATCH] VM fix for 2.4.0-test9 & OOM handler

[Miles Lane]

Olaf Titz wrote:
> 
> > > Still, it would be nice to recover that 4 MB when the system
> > > doesn't have any memory left.
> > Yup. The X server could give back the memory for some cases like the
> > background without too much hackery.
> 
> Then Linux only needs to implement SIGDANGER, which has been talked
> about for years...
> 
> X would be a good candidate to implement a handler for it. Others are
> Emacs, Mozilla or JVMs - basically everything which has a GC of some
> sort. It could even be used to implement a configurable user mode OOM
> killer.

It would be good to talk to the KDE and Gnome folks about this as well.
I am pretty sure they have large blocks of memory that could be flushed
or freed in a low-memory or OOM condition.

        Miles
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