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Re: [Xen-devel] slow xp hibernation revisited
| To: | James Harper <james.harper@xxxxxxxxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] slow xp hibernation revisited |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Sat, 04 Jun 2011 08:51:53 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Sat, 04 Jun 2011 00:52:39 -0700 |
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| Thread-topic: | [Xen-devel] slow xp hibernation revisited |
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On 04/06/2011 08:38, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote: > Looking past the test_bit call, the next statement does another test and > sets last_address_index to 0 and returns NULL. Is this just to ensure > that the next access isn't just trivially accepted? Yes, first test is on a potentially stale bucket. Second test is on a fresh bucket. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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