Re: [PATCH] pagemap: document KPF_KSM and show it in page-types

[Chris Wright]

* Wu Fengguang (fengguang.wu@xxxxxxxxx) wrote:
> It indicates to the system admin that processes mapping such pages may be
> eating less physical memory than the reported numbers by legacy tools.
> 
> CC: Hugh Dickins <hugh.dickins@xxxxxxxxxxxxx>
> CC: Chris Wright <chrisw@xxxxxxxxxx>
> CC: Izik Eidus <ieidus@xxxxxxxxxx>
> Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>

Acked-by: Chris Wright <chrisw@xxxxxxxxxx>

> --- linux-mm.orig/tools/vm/page-types.c	2009-08-31 15:00:24.000000000 +0800
> +++ linux-mm/tools/vm/page-types.c	2009-08-31 15:02:10.000000000 +0800
> @@ -49,6 +49,7 @@
>  #define KPF_UNEVICTABLE		18
>  #define KPF_HWPOISON		19
>  #define KPF_NOPAGE		20
> +#define KPF_KSM			21

Doesn't this highlight the trouble w/ maintaining two copies of same info?

thanks,
-chris
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