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Date:      Tue, 28 Feb 2012 00:43:50 +0200
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
Cc:        freebsd-hackers@FreeBSD.org, Grzegorz Kulewski <grzegorz@kulewski.pl>
Subject:   Re: improving VM - questions
Message-ID:  <4F4C0726.6010804@FreeBSD.org>
In-Reply-To: <alpine.BSF.2.00.1202251630560.1436@wojtek.tensor.gdynia.pl>
References:  <alpine.BSF.2.00.1202251630560.1436@wojtek.tensor.gdynia.pl>

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on 25/02/2012 17:45 Wojciech Puchar said the following:
[snip]
> i tried that patch
> 
> --- swap_pager.c.orig   2012-02-25 16:22:25.000000000 +0100
> +++ swap_pager.c        2012-02-25 13:19:51.000000000 +0100
> @@ -119,7 +119,7 @@
>  * The 32-page limit is due to the radix code (kern/subr_blist.c).
>  */
> #ifndef MAX_PAGEOUT_CLUSTER
> -#define MAX_PAGEOUT_CLUSTER 16
> +#define MAX_PAGEOUT_CLUSTER 256
> #endif
[snip]
> but swap_pager.c patch seems not to work. i observe 64kB pageouts, no more.
> 
> what is wrong in it?

Could there be a problem because of what the MAX_PAGEOUT_CLUSTER comment says?

-- 
Andriy Gapon



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