linux-kernel - Re: [PATCH v6] Add generic exponentially weighted moving average (EWMA) function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 10 Nov 2010 19:53:29 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Bruno Randolf <br1@...fach.org>
Cc:	randy.dunlap@...cle.com, peterz@...radead.org, blp@...stanford.edu,
	linux-kernel@...r.kernel.org, Lars_Ericsson@...ia.com,
	kosaki.motohiro@...fujitsu.com, kevin.granade@...il.com
Subject: Re: [PATCH v6] Add generic exponentially weighted moving average
 (EWMA) function

On Thu, 11 Nov 2010 12:47:56 +0900 Bruno Randolf <br1@...fach.org> wrote:

> This adds generic functions for calculating Exponentially Weighted Moving
> Averages (EWMA). This implementation makes use of a structure which keeps the
> EWMA parameters and a scaled up internal representation to reduce rounding
> errors.
> 
> The original idea for this implementation came from the rt2x00 driver
> (rt2x00link.c). I would like to use it in several places in the mac80211 and
> ath5k code and I hope it can be useful in many other places in the kernel code.
> 
> Signed-off-by: Bruno Randolf <br1@...fach.org>
> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> 
> --
> 
> Excuse me, but can I expect this to be merged anytime soon? Where do I check if
> it got merged? I'm resending the patch in case it got lost.

Yes, sorry, this is buried in my exponentially increasing backlog. 
It's going to take me a while to catch up again.

Unless I just merge stuff without looking at it.  hm, I wonder if that
would make any difference??

> +/**
> + * DOC: Exponentially Weighted Moving Average (EWMA)
> + *
> + * These are generic functions for calculating Exponentially Weighted Moving
> + * Averages (EWMA). We keep a structure with the EWMA parameters and a scaled
> + * up internal representation of the average value to prevent rounding errors.
> + * The factor for scaling up and the exponential weight (or decay rate) have to
> + * be specified thru the init fuction. The structure should not be accessed
> + * directly but only thru the helper functions.
> + */

<reads Documentation/kernel-doc-nano-HOWTO.txt>

Well, I never knew about "DOC:".
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/