Date: Sun, 07 Jan 2001 01:36:22 +0100
From: Manfred <[EMAIL PROTECTED]>
Do you still have that patch?
I think so, see below.
Was it posted to linux-kernel?
Yes, it was.
I just found a copy, enjoy:
diff -ur ../vger3-001101/linux/fs/pipe.c linux/fs/pipe.c
--- ../vger3-001101/linux/
"David S. Miller" wrote:
>
> A couple months ago David posted a revised version of his patch which
> fixed both these and some other problems. Most of the fixes were done
> by Alexey Kuznetsov.
>
Do you still have that patch?
Stephen Tweedie included the original, unrevied version in his
kiob
Date: Sun, 07 Jan 2001 00:25:16 +0100
From: Manfred <[EMAIL PROTECTED]>
Last march David Miller proposed using kiobuf for these data
transfers, I've written a new patch for 2.4.
(David's original patch contained 2 bugs: it doesn't protect
properly against multiple writers and i
(Linus, look away, I'll resubmit it for 2.5.0)
The Linux pipe implementation is extremely inefficient for long,
blocking data transfers with pipes (e.g. what gcc -pipe does):
* 2 memcopies: user space->kernel buffer->user space
* 2 context switches for each transfered page.
Last march David Mill
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