Messages in this thread | | | Date | Tue, 5 Mar 2002 18:30:53 +0000 | From | Arjan van de Ven <> | Subject | Re: 2.4.19pre1aa1 |
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On Tue, Mar 05, 2002 at 07:26:04PM +0100, Andrea Arcangeli wrote:
> Another approch would be to add the pages backing the bh into the lru > too, but then we'd need to mess with the slab and new bitflags, new > methods and so I don't think it's the best solution. The only good > reason for putting new kind of entries in the lru would be to age them > too the same way as the other pages, but we don't need that with the bh > (they're just in, and we mostly care only about the page age, not the bh > age).
For 2.5 I kind of like this idea. There is one issue though: to make this work really well we'd probably need a ->prepareforfreepage() or similar page op (which for page cache pages can be equal to writepage() ) which the vm can use to prepare this page for freeing. - 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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