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SubjectRe: [RFC] [PATCH] splice: add ->splice_read support for /dev/zero
On Thu,  7 Aug 2008 05:00:55 +0300 Octavian Purdila <opurdila@ixiacom.com> wrote:

> Useful for testing.
>
> Preallocating the zero page is simpler and faster with the relatively
> small (?) drawback of using an extra page of memory.

How much faster is it? What workloads/benchmarks/etc?

> Maybe when CONFIG_EMBEDED is selected we can switch to dynamically
> allocating the page?
>

One more page won't kill us. People might want one-page-per-node, too.
But that all depends on what the benefits and applications of this are..



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