Re: [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages

On Wed, Sep 23, 2009 at 09:47:16PM +0300, Izik Eidus wrote: When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can balance the pagecount against mapcount

[PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages

When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can balance the pagecount against mapcount checking. (Right now kvm increase the pagecount and does not

[PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages

When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can balance the pagecount against mapcount checking. (Right now kvm increase the pagecount and does not

Re: [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages.

Izik Eidus wrote: Marcelo Tosatti wrote: On Tue, Mar 31, 2009 at 03:00:02AM +0300, Izik Eidus wrote: When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can

Re: [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages.

Izik Eidus wrote: Izik Eidus wrote: Marcelo Tosatti wrote: On Tue, Mar 31, 2009 at 03:00:02AM +0300, Izik Eidus wrote: When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This

Re: [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages.

On Tue, Mar 31, 2009 at 03:00:02AM +0300, Izik Eidus wrote: When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can balance the pagecount against mapcount

Re: [PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages.

Marcelo Tosatti wrote: On Tue, Mar 31, 2009 at 03:00:02AM +0300, Izik Eidus wrote: When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can balance the

[PATCH 1/3] kvm: dont hold pagecount reference for mapped sptes pages.

When using mmu notifiers, we are allowed to remove the page count reference tooken by get_user_pages to a specific page that is mapped inside the shadow page tables. This is needed so we can balance the pagecount against mapcount checking. (Right now kvm increase the pagecount and does not