Messages in this thread | | | Date | Wed, 19 Nov 2003 01:19:51 -0800 | From | Andrew Morton <> | Subject | Re: 2.6.0-test9-mm4 |
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William Lee Irwin III <wli@holomorphy.com> wrote: > > On Tue, Nov 18, 2003 at 10:51:20PM -0800, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test9/2.6.0-test9-mm4/ > > . Several fixes against patches which are only in -mm at present. > > . Minor fixes which we'll queue for post-2.6.0. > > . The interactivity problems which the ACPI PM timer patch showed up > > should be fixed here - please sing out if not. > > I'm not sure if this is within the scope of current efforts, but I > gave it a shot just to see how bad untangling it from highpmd and > O(1) buffered_rmqueue() was. It turns out it wasn't that hard. > > The codebase (so to speak) has been in regular use since June, though > the port to -mm only lightly tested (basically testbooted on a laptop).
Any performance numbers?
> There is some minor core impact.
hm, big.
> +#ifdef CONFIG_SMP > +#define smp_local_irq_save(x) local_irq_save(x) > +#define smp_local_irq_restore(x) local_irq_restore(x) > +#define smp_local_irq_disable() local_irq_disable() > +#define smp_local_irq_enable() local_irq_enable() > +#else > +#define smp_local_irq_save(x) do { (void)(x); } while (0) > +#define smp_local_irq_restore(x) do { (void)(x); } while (0) > +#define smp_local_irq_disable() do { } while (0) > +#define smp_local_irq_enable() do { } while (0) > +#endif /* CONFIG_SMP */
Interesting.
> @@ -890,6 +894,9 @@ int try_to_free_pages(struct zone *cz, > */ > wakeup_bdflush(total_scanned); > > + /* shoot down some pagetable caches before napping */ > + shrink_pagetable_cache(gfp_mask);
Maybe this could hook into the shrink_slab() mechanism? There's actually nothing slab-specific about shrink_slab(). - 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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