From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wright <chrisw@sous-sol.org>
Subject: Re: hugetlbfs and KSM
Date: Fri, 9 Apr 2010 13:03:05 -0700
Message-ID: <20100409200305.GK3168@sequoia.sous-sol.org>
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Cc: kvm@vger.kernel.org
To: Bernhard Schmidt <berni@birkenwald.de>
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* 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.