On Wed, Aug 20, 2014 at 07:04:40PM +0400, Konstantin Khlebnikov wrote:
> Proper testing shows yet another problem in balloon migration: it works only
> once for each page. balloon_page_movable() check page flags and page_count.
> In __unmap_and_move page is locked, reference counter is elevated, so
Proper testing shows yet another problem in balloon migration: it works only
once for each page. balloon_page_movable() check page flags and page_count.
In __unmap_and_move page is locked, reference counter is elevated, so
balloon_page_movable() _always_ fails here. As result in __unmap_and_move()
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