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Date: Wed, 12 Nov 2008 14:31:18 -0600 (CST) From: Christoph Lameter <cl@...ux-foundation.org> To: Lee Schermerhorn <Lee.Schermerhorn@...com> cc: Andrea Arcangeli <aarcange@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, Izik Eidus <ieidus@...hat.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, kvm@...r.kernel.org, chrisw@...hat.com, avi@...hat.com, izike@...ranet.com Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another On Wed, 12 Nov 2008, Lee Schermerhorn wrote: > Might want/need to check for migration entry in do_swap_page() and loop > back to migration_entry_wait() call when the changed pte is detected > rather than returning an error to the caller. > > Does that sound reasonable? The reference count freezing and the rechecking of the pte in do_swap_page() does not work? Nick broke it during lock removal for the lockless page cache? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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