Messages in this thread | | | Date | Thu, 25 Jan 2007 22:36:17 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [RFC] Track mlock()ed pages |
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On Fri, 26 Jan 2007, Nick Piggin wrote:
> Christoph Lameter wrote: > > Add NR_MLOCK > > > > Track mlocked pages via a ZVC > > I think it is not quite right. You are tracking the number of ptes > that point to mlocked pages, which can be >= the actual number of pages.
Mlocked pages are not inherited. I would expect sharing to be very rare.
> Also, page_add_anon_rmap still needs to be balanced with page_remove_rmap.
Hmmm.... > I can't think of an easy way to do this without per-page state. ie. > another page flag.
Thats what I am trying to avoid. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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