Messages in this thread | | | Date | Wed, 19 Dec 2007 23:19:00 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [patch 17/20] non-reclaimable mlocked pages |
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On Wed, 19 Dec 2007, Nick Piggin wrote:
> These mlocked pages don't need to be on a non-reclaimable list, > because we can find them again via the ptes when they become > unlocked, and there is no point background scanning them, because > they're always going to be locked while they're mlocked.
But there is something to be said for having a consistent scheme. Here we already introduce address space flags for one kind of unreclaimability. Isnt it possible to come up with a way to categorize pages that works (mostly) the same way for all types of pages with reclaim issues?
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