From: Tim Deegan <tim@xen.org>
To: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Zhigang Wang <zhigang.x.wang@oracle.com>,
"Keir (Xen.org)" <keir@xen.org>,
Ian Campbell <Ian.Campbell@citrix.com>,
Konrad Wilk <konrad.wilk@oracle.com>,
Dave Mccracken <dave.mccracken@oracle.com>,
Jan Beulich <JBeulich@suse.com>,
xen-devel@lists.xen.org
Subject: Re: [RFC/PATCH v2] XENMEM_claim_pages (subop of existing) hypercall
Date: Tue, 20 Nov 2012 16:47:44 +0000 [thread overview]
Message-ID: <20121120164744.GA46858@ocelot.phlegethon.org> (raw)
In-Reply-To: <1bc66c5f-1740-411f-9be2-3de26372b469@default>
At 08:33 -0800 on 20 Nov (1353400380), Dan Magenheimer wrote:
> I agree it's possible, just saying it's not trivial... one has to
> account not only for superpages system-wide (which isn't currently
> done) but a mix of unclaimed superpages and unclaimed order==0 pages
> per-domain. Especially since that would improve launch of only a small
> and shrinking class of domains (PV && superpages=1 && mem="huge"),
> can we please consider it a possible future enhancement, not a showstopper?
Please, no. Either you need this benighted hypercall, or you don't.
If you really need it, do it properly.
Tim.
next prev parent reply other threads:[~2012-11-20 16:47 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-14 23:55 [RFC/PATCH v2] XENMEM_claim_pages (subop of existing) hypercall Dan Magenheimer
2012-11-15 10:25 ` Jan Beulich
2012-11-15 18:00 ` Dan Magenheimer
2012-11-16 10:36 ` Jan Beulich
2012-11-19 20:04 ` Dan Magenheimer
2012-11-15 12:25 ` Ian Campbell
2012-11-15 12:39 ` Jan Beulich
2012-11-15 19:19 ` Dan Magenheimer
2012-11-16 10:41 ` Jan Beulich
2012-11-15 19:15 ` Dan Magenheimer
2012-11-16 10:39 ` Jan Beulich
2012-11-16 10:48 ` Ian Campbell
2012-11-19 20:53 ` Dan Magenheimer
2012-11-20 8:16 ` Jan Beulich
2012-11-20 10:16 ` Ian Campbell
2012-11-20 16:33 ` Dan Magenheimer
2012-11-20 16:47 ` Tim Deegan [this message]
2012-11-20 17:52 ` Dan Magenheimer
2012-11-21 8:31 ` Jan Beulich
2012-11-21 15:59 ` Dan Magenheimer
[not found] <mailman.16651.1353004500.1399.xen-devel@lists.xen.org>
2012-11-15 18:51 ` Andres Lagar-Cavilla
2012-11-15 19:35 ` Dan Magenheimer
[not found] <mailman.16877.1353355647.1399.xen-devel@lists.xen.org>
2012-11-19 20:25 ` Andres Lagar-Cavilla
2012-11-19 21:41 ` Dan Magenheimer
2012-11-26 18:01 ` Dan Magenheimer
2012-11-26 18:05 ` Andres Lagar-Cavilla
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