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Re: [Xen-devel] [PATCH] x86/PAE partially linear page table support

>>> Keir Fraser <keir@xxxxxxxxxxxxx> 15.02.07 11:25 >>>
>How do you ensure that circular references are correctly cleaned up at
>domain destruction time? (i.e., A references B and B references A).
>We have special destructore code to clean up all root pagetable references,
>but the code isn't there for lower levels.

put_page_from_l?e() are all symmetrical, i.e. should take care of such
references at any level. I don't think I know what other destructor code
is involved here.


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