Messages in this thread | | | Date | Fri, 9 Feb 2007 23:48:00 +1100 | From | James <> | Subject | Re: -mm merge plans for 2.6.21 |
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On 2/9/07, Andrew Morton <akpm@linux-foundation.org> wrote: > 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. >
Plenty of people replied with positive reviews when it was posted earlier. I'd expect that you'd have a fair bit of ram, so you're less likely to observe any benefit, as you wouldnt be digging into swap as often as those on lesser systems.
http://lkml.org/lkml/2006/3/23/25
> I also have vague memories of some serious-sounding review comments about > the code from Nick.
http://lkml.org/lkml/2006/3/23/55
Could that be it? Maybe repoll Con on those.
> > Why keep it in -mm for so long? > > I'm waiting to be shown that its benefits exceed its costs. Sometimes > that's hard. >
Con's patchset is used pretty widely now, with many distro's (Arch, Mandriva, PCLinuxOS among others) providing prebuilt kernels and nobody has reported any drawbacks. I don't think anyone in -mm has reported any either.
James -- iphitus // Arch Developer // kernel26beyond // iphitus.loudas.com - 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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