Re: [PATCH] strict VM overcommit accounting for 2.4.32/2.4.33-pre1

From: Al Boldi
Date: Fri Dec 30 2005 - 15:06:32 EST


On Thu, Dec 29, 2005 at 11:44:01PM -0800, Barry K. Nathan wrote:
> This patch adds strict VM overcommit accounting to the mainline 2.4
> kernel, thus allowing overcommit to be truly disabled. This feature
> has been in 2.4-ac, Red Hat Enterprise Linux 3 (RHEL 3) vendor kernels,
> and 2.6 for a long while.

Thanks a lot!

> +3 - (NEW) paranoid overcommit The total address space commit
> + for the system is not permitted to exceed swap. The machine
> + will never kill a process accessing pages it has mapped
> + except due to a bug (ie report it!)

This one isn't in 2.6, which is critical for a stable system.

Thanks!

--
Al

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