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From: Robert Watson <rwatson@FreeBSD.org>
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To: Ruslan Ermilov <ru@FreeBSD.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
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Subject: Re: svn commit: r197612 - head/share/man/man7
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On Tue, 29 Sep 2009, Ruslan Ermilov wrote:

> Author: ru
> Date: Tue Sep 29 10:50:02 2009
> New Revision: 197612
> URL: http://svn.freebsd.org/changeset/base/197612
>
> Log:
>  Fixed markup bugs.

Any chance you'll fix content bugs as well?  tuning(7) is one of several man 
pages that desperately needs a rewrite.

Robert N M Watson
Computer Laboratory
University of Cambridge

>
> Modified:
>  head/share/man/man7/tuning.7
>
> Modified: head/share/man/man7/tuning.7
> ==============================================================================
> --- head/share/man/man7/tuning.7	Tue Sep 29 09:36:38 2009	(r197611)
> +++ head/share/man/man7/tuning.7	Tue Sep 29 10:50:02 2009	(r197612)
> @@ -407,22 +407,27 @@ The
> .Va vm.overcommit
> sysctl defines the overcommit behaviour of the vm subsystem.
> The virtual memory system always does accounting of the swap space
> -reservation, both total for system and per-user. Corresponding values
> +reservation, both total for system and per-user.
> +Corresponding values
> are available through sysctl
> -.Va vm.swap_total,
> +.Va vm.swap_total ,
> that gives the total bytes available for swapping, and
> -.Va vm.swap_reserved,
> +.Va vm.swap_reserved ,
> that gives number of bytes that may be needed to back all currently
> allocated anonymous memory.
> .Pp
> Setting bit 0 of the
> .Va vm.overcommit
> sysctl causes the virtual memory system to return failure
> -to the process when allocation of memory causes vm.swap_reserved
> -to exceed vm.swap_total.
> -Bit 1 of the sysctl enforces RLIMIT_SWAP limit
> +to the process when allocation of memory causes
> +.Va vm.swap_reserved
> +to exceed
> +.Va vm.swap_total .
> +Bit 1 of the sysctl enforces
> +.Dv RLIMIT_SWAP
> +limit
> (see
> -.Xr getrlimit 2 ).
> +.Xr getrlimit 2 ) .
> Root is exempt from this limit.
> Bit 2 allows to count most of the physical
> memory as allocatable, except wired and free reserved pages
>