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[Xen-devel] [PATCH] Implement faster superpage mapping
| To: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] Implement faster superpage mapping |
| From: | Dave McCracken <dcm@xxxxxxxx> |
| Date: | Thu, 13 May 2010 14:40:22 -0500 |
| Cc: | Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen Developers List <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 13 May 2010 12:41:37 -0700 |
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Here's my first cut of a faster superpage mapping scheme. It uses a separate superpage table to track mappings of superpages and mappings that conflict with using a superpage. One new feature of this code is that it requires that every superpage be allocated to a domain with a single call. This ensures that every page in the superpage is allocated to the same domain. Dave McCracken Oracle Corp.
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