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Re: [Xen-devel] Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use

On 08/22/2013 03:33 PM, Jan Beulich wrote:

>> From: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
>> Subject: [PATCH] mm: Make sure _PAGE_SWP_SOFT_DIRTY bit is not set on 
>> present pte
>> _PAGE_SOFT_DIRTY bit should never be set on present pte so add
>> VM_BUG_ON to catch any potential future abuse.
>> Also add a comment on _PAGE_SWP_SOFT_DIRTY definition explaining
>> scope of its usage.
>> Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>

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