Re: an experiment in pipe bandwidth improvement

From: Zack Weinberg (zack@wolery.cumb.org)
Date: Mon Jan 10 2000 - 16:51:56 EST


On Mon, Jan 10, 2000 at 08:49:10PM +0100, Andrea Arcangeli wrote:
> On Sun, 9 Jan 2000, Zack Weinberg wrote:
>
> >+ && !(new = __get_free_pages(GFP_USER, order)))
>
> mm fragmentation and the VM not good in handling a fragmented mm is going
> to hurt you.

I was under the impression __get_free_pages allocated physically contiguous
memory.

Do you know how to limit the size of AF_UNIX packets? I would like to try
the experiment the other way around, but the obvious (I thought) change to
af_unix.c didn't work.

zw

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