On Wed, 2007-03-07 at 14:52 +0100, Peter Zijlstra wrote: > True. We could even guesstimate the nonlinear dirty pages by subtracting > the result of page_mkclean() from page_mapcount() and force an > msync(MS_ASYNC) on said mapping (or all (nonlinear) mappings of the > related file) when some threshold gets exceeded.
Almost, but not quite, we'd need to extract another value from the page_mkclean() run, the actual number of mappings encountered. The return value only sums the number of dirty mappings encountered. s390 would already work I guess. Certainly doable. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
