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Re: [Xen-devel] [PATCH] linux/balloon: don't allow ballooning down a dom
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] linux/balloon: don't allow ballooning down a domain below a reasonable limit |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Sat, 05 Apr 2008 22:39:38 +0100 |
| Cc: | Ky Srinivasan <KSrinivasan@xxxxxxxxxx>, Kurt Garloff <garloff@xxxxxxx> |
| Delivery-date: | Sat, 05 Apr 2008 14:40:28 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] linux/balloon: don't allow ballooning down a domain below a reasonable limit |
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On 4/4/08 16:07, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > +#ifndef CONFIG_XEN > +#define max_pfn totalram_pages > +#endif This is silly. We modify totalram_pages as we balloon up and down, so this really isn't very max_pfn-like after ballooning gets under way. So I've applied the patch but I made it a no-op if !defined(CONFIG_XEN), until/unless someone comes up with a better alternative to totalram_pages. Possibly just latching totalram_pages when we install the balloon driver would be sufficient? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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