lkml.org 
[lkml]   [2007]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear)
    From
    Date
    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 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/

    \
     
     \ /
      Last update: 2007-03-07 15:39    [W:0.020 / U:29.916 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site