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SubjectRe: [PATCH] [DISCUSS] Optimizing linux applications with the help of the kernel.
On Sun, Dec 10, 2006 at 02:06:49AM -0800, Amit Choudhary wrote:
> In both these cases the same data is coming from kernel_to_user and then from user_to_kernel. If
> this can be short-circuited, that is, from kernel_to_kernel then the performance can be increased
> a lot.

Google on 'splice linux'. It can't do what you want right now exactly, but
it might.

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