Re: [Dle-develop] [RFC][PATCH 1/2] Add explanation about min_free_kbytes to clarify its effect

[David R. <rie...@go...>]

On Fri, 7 Jan 2011, Satoru Moriya wrote:

> diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
> index 30289fa..e10b279 100644
> --- a/Documentation/sysctl/vm.txt
> +++ b/Documentation/sysctl/vm.txt
> @@ -349,7 +349,8 @@ min_free_kbytes:
>  
>  This is used to force the Linux VM to keep a minimum number
>  of kilobytes free.  The VM uses this number to compute a
> -watermark[WMARK_MIN] value for each lowmem zone in the system.
> +watermark[WMARK_MIN] for each lowmem zone and
> +watermark[WMARK_LOW/WMARK_HIGH] for each zone in the system.
>  Each lowmem zone gets a number of reserved free pages based
>  proportionally on its size.
>  

WMARK_MIN is changed for all zones.