From: Andrew Morton <akpm@digeo.com>
To: Ed Tomlinson <tomlins@cam.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] slabasap-mm5_A2
Date: Sun, 08 Sep 2002 14:08:56 -0700 [thread overview]
Message-ID: <3D7BBC68.E139D60@digeo.com> (raw)
In-Reply-To: <3D7BB97A.6B6E4CA5@digeo.com>
Andrew Morton wrote:
>
> ...
> If we have the pruner callbacks then vmscan can just do:
>
> kmem_shrink_stuff(ratio);
>
> and then kmem_shrink_stuff() can do:
>
> cachep->nr_to_prune += cacheb->inuse / ratio;
> if (cachep->nr_to_prune > cachep->prune_batch) {
> int prune = cachep->nr_to_prune;
>
> cachep->nr_to_prune = 0;
> (*cachep->pruner)(nr_to_prune);
> }
OK, I get it. `ratio' here can easily be 100,000, which would
result in zero objects to prune all the time. So it's
cachep->nr_to_prune += cacheb->inuse / ratio + 1;
yes?
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next prev parent reply other threads:[~2002-09-08 20:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-07 14:06 [PATCH][RFC] slabnow Ed Tomlinson
2002-09-08 20:45 ` Daniel Phillips
2002-09-09 4:59 ` Andrew Morton
2002-09-09 5:14 ` Daniel Phillips
[not found] ` <200209081142.02839.tomlins@cam.org>
2002-09-08 20:56 ` [PATCH] slabasap-mm5_A2 Andrew Morton
2002-09-08 21:08 ` Andrew Morton [this message]
2002-09-08 21:14 ` Ed Tomlinson
2002-09-08 21:47 ` Andrew Morton
2002-09-08 21:48 ` Ed Tomlinson
2002-09-08 22:46 ` Andrew Morton
2002-09-09 9:29 ` Stephen C. Tweedie
2002-09-09 21:33 ` Ed Tomlinson
2002-09-09 22:07 ` Andrew Morton
2002-09-09 22:28 ` Ed Tomlinson
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