Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH] kmalloc_percpu | Date | Tue, 06 May 2003 14:11:27 +1000 |
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In message <20030505185248.3c3a478f.akpm@digeo.com> you write: > Rusty Russell <rusty@rustcorp.com.au> wrote: > > > > > +#define PERCPU_POOL_SIZE 32768 > > > > > > What's this? > > > > OK. It has a size restriction: PERCPU_POOL_SIZE is the maximum total > > kmalloc_percpu + static DECLARE_PER_CPU you'll get, ever. This is the > > main downside. It's allocated at boot. > > And is subject to fragmentation.
Absolutely. However, we're looking at an allocation at module insert, and maybe at each mount (if used for your fuzzy counters). Until we see this in practice, I don't think complicating the allocator is worth it.
Cheers, Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell. - 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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