From: Andi Kleen <ak@suse.de>
To: akepner@sgi.com
Cc: David Miller <davem@davemloft.net>,
kuznet@ms2.inr.ac.ru, dev@sw.ru, netdev@vger.kernel.org
Subject: Re: [PATCH] limit rt cache size
Date: Wed, 9 Aug 2006 18:32:26 +0200 [thread overview]
Message-ID: <200608091832.26492.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.61.0608090913410.2452@localhost.localdomain>
> > There will be some hickup, but as long as the downtime
> > is limited it shouldn't be too bad.
> >
>
> Benchmarks are in order....
One issue I forgot earlier and Kirill pointed out is that the
reallocation would require vmalloc because memory will be too fragmented
to get a big piece of physical memory. So it would add TLB pressure.
Can't think of a good way around that.
You might have been right with being sceptical.
-Andi
next prev parent reply other threads:[~2006-08-09 16:32 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <44D75EF8.1070901@sw.ru>
2006-08-07 16:48 ` [PATCH] limit rt cache size Alexey Kuznetsov
2006-08-08 3:42 ` David Miller
2006-08-08 5:11 ` Andi Kleen
2006-08-08 6:18 ` David Miller
2006-08-08 6:53 ` Andi Kleen
2006-08-08 7:01 ` David Miller
2006-08-08 12:54 ` Kirill Korotaev
2006-08-08 12:58 ` Andi Kleen
2006-08-08 20:37 ` akepner
2006-08-08 23:23 ` Andi Kleen
2006-08-09 0:06 ` akepner
2006-08-09 0:11 ` David Miller
2006-08-09 0:11 ` akepner
2006-08-09 0:22 ` David Miller
2006-08-09 1:02 ` Andi Kleen
2006-08-09 16:16 ` akepner
2006-08-09 16:32 ` Andi Kleen [this message]
2006-08-10 0:02 ` David Miller
2006-08-09 8:05 ` Kirill Korotaev
2006-08-09 0:24 ` Andi Kleen
2006-08-09 0:32 ` David Miller
2006-08-09 8:09 ` Kirill Korotaev
2006-08-09 8:53 ` Eric Dumazet
2006-08-09 9:22 ` David Miller
2006-08-08 8:17 ` Kirill Korotaev
2006-08-08 8:34 ` David Miller
2006-08-08 8:57 ` Eric Dumazet
2006-08-08 9:12 ` David Miller
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