Re: [PATCH 1/6] BC: kconfig

Alexey Dobriyan
2006-08-23T13:05:07Z

On Wed, Aug 23, 2006 at 03:01:55PM +0400, Kirill Korotaev wrote:
> --- ./kernel/bc/Kconfig.bckm
> +++ ./kernel/bc/Kconfig
> @@ -0,0 +1,25 @@
> +#
> +# Resource beancounters (BC)
> +#
> +# Copyright (C) 2006 OpenVZ. SWsoft Inc
> +
> +menu "User resources"
> +
> +config BEANCOUNTERS
> + bool "Enable resource accounting/control"
> + default n
> + help
> + This patch provides accounting and allows to configure
> + limits for user's consumption of exhaustible system resources.

If BC will be merged there will be no patch, so text should be
rewritten slightly.

> + The most important resource controlled by this patch is
> unswappable + memory (either mlock'ed or used by internal kernel
> structures and + buffers). The main goal of this patch is to
> protect processes
> + from running short of important resources because of an
> accidental
> + misbehavior of processes or malicious activity aiming to
> ``kill'' + the system. It's worth to mention that resource limits
> configured + by setrlimit(2) do not give an acceptable level of
> protection + because they cover only small fraction of resources
> and work on a + per-process basis. Per-process accounting doesn't
> prevent malicious
> + users from spawning a lot of resource-consuming processes.