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SubjectRe: [PATCH] zero^H^H^H^Hsingle copy pipe

Manfred Spraul writes:
> If I understand the BSD direct-pipe code correctly
> it has a swap file based backing store. I think that's insane. And
> limiting the direct copy buffers to a few kB defeats the purpose of
> direct copy.

Last time I studied that FreeBSD pipe code, it used a global limit for
locked memory.

David S. Miller
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