Messages in this thread |  | | Date | Mon, 13 May 2013 10:37:57 -0400 | From | Benjamin LaHaise <> | Subject | Re: [PATCH V2 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable() |
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On Mon, May 13, 2013 at 10:19:02AM +0100, Mel Gorman wrote: > On Mon, May 13, 2013 at 05:11:43PM +0800, Tang Chen wrote: ... > > If so, I'm wondering where should we put this callback pointers ? > > In struct page ? > > > > No, I would expect the callbacks to be part the address space operations > which can be found via page->mapping.
If someone adds those callbacks and provides a means for testing them, it would be pretty trivial to change the aio code to migrate its pinned pages on demand.
-ben -- "Thought is the essence of where you are now."
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