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From: Chris Wright <chrisw@sous-sol.org>
To: Bernhard Schmidt <berni@birkenwald.de>
Cc: kvm@vger.kernel.org
Subject: Re: hugetlbfs and KSM
Date: Fri, 9 Apr 2010 13:03:05 -0700	[thread overview]
Message-ID: <20100409200305.GK3168@sequoia.sous-sol.org> (raw)
In-Reply-To: <hplapv$r0u$1@dough.gmane.org>

* Bernhard Schmidt (berni@birkenwald.de) wrote:
> * KSM seems to be largely ineffective (100MB saved -> 1.3MB saved)
> 
> Am I doing something wrong? Is this a bug? Is this generally impossible
> with large pages (which might explain the lower load on the host, if
> large pages are not scanned)? Or is it just way less likely to have
> identical pages at that size?

KSM only scans and merges 4k pages.

  reply	other threads:[~2010-04-09 20:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-08 19:29 hugetlbfs and KSM Bernhard Schmidt
2010-04-09 20:03 ` Chris Wright [this message]
     [not found] <579435996.2170.1270755367936.JavaMail.root@mail1.martinsales.net>
2010-04-08 19:36 ` David Martin

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