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    SubjectRe: -mm merge plans for 2.6.21
    On Fri, 09 Feb 2007 11:54:29 +0200 Lenar Lõhmus <lenar@vision.ee> wrote:

    > Hello,
    >
    > Andrew Morton wrote:
    > > sched-add-above-background-load-function.patch
    > > mm-implement-swap-prefetching.patch
    > > mm-implement-swap-prefetching-vs-zvc-stuff.patch
    > > mm-implement-swap-prefetching-vs-zvc-stuff-2.patch
    > > mm-implement-swap-prefetching-use-ctl_unnumbered.patch
    > > swap_prefetch-vs-zoned-counters.patch
    > > add-include-linux-freezerh-and-move-definitions-from-prefetch.patch
    > > zvc-support-nr_slab_reclaimable--nr_slab_unreclaimable-swap_prefetch.patch
    > > reduce-max_nr_zones-swap_prefetch-remove-incorrect-use-of-zone_highmem.patch
    > > sched-cleanup-remove-task_t-convert-to-struct-task_struct-prefetch.patch
    > > numa-add-zone_to_nid-function-swap_prefetch.patch
    > > remove-uses-of-kmem_cache_t-from-mm-and-include-linux-slabh-prefetch.patch
    > >
    > > Hold.
    > Why hold?
    >
    > It's been shown this patchset really helps desktop users.

    Has it? I don't think I've ever observed any benefits from it and I don't
    think anyone has ever got down and worked out what its drawbacks might be,
    and seen if they can be demonstrated in practice.

    I also have vague memories of some serious-sounding review comments about
    the code from Nick.

    > Why keep it in -mm for so long?

    I'm waiting to be shown that its benefits exceed its costs. Sometimes
    that's hard.

    -
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