From: Chris Wright <chrisw@sous-sol.org>
To: Gordan Bobic <gordan@bobich.net>
Cc: kvm@vger.kernel.org
Subject: Re: KSM without VT / KSM for all memory
Date: Fri, 26 Mar 2010 15:46:59 -0700 [thread overview]
Message-ID: <20100326224659.GJ1744@sequoia.sous-sol.org> (raw)
In-Reply-To: <4BACFB68.404@bobich.net>
* Gordan Bobic (gordan@bobich.net) wrote:
> Is it possible to use KSM:
> 1) Without hardware VT support
Yes.
KSM and hardware virtualization support are technically not related.
> 2) For all memory in a system, without patching all applications to
> register with it
No.
Right now, an app must be modified to call madvise(MADV_MERGEABLE).
Further, the core scanning loop that ksmd performs is based on per-process
virtual memory regions rather than physical memory.
thanks,
-chris
next prev parent reply other threads:[~2010-03-26 22:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-26 18:22 KSM without VT / KSM for all memory Gordan Bobic
2010-03-26 22:46 ` Chris Wright [this message]
2010-03-26 23:47 ` Gordan Bobic
2010-03-27 0:13 ` Chris Wright
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100326224659.GJ1744@sequoia.sous-sol.org \
--to=chrisw@sous-sol.org \
--cc=gordan@bobich.net \
--cc=kvm@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox