Re: Swap

Rik van Riel (riel@conectiva.com.br)
Tue, 20 Nov 2001 20:19:47 -0200 (BRST)

On Tue, 20 Nov 2001, David S. Miller wrote:
> From: Rik van Riel <riel@conectiva.com.br>
> Date: Tue, 20 Nov 2001 20:05:05 -0200 (BRST)
>
> Consider this a VM bug, mmap() really should be more efficient.
>
> read() is always going to be faster until mmap() can
> use large page mappings for the user. This is why
> mmap() is slower.

Uhhhh, read his original mail. When using mmap() he had
problems with the VM doing bad page replacement, while
read() was smooth.

Rik

-- 
Shortwave goes a long way:  irc.starchat.net  #swl


http://www.surriel.com/		http://distro.conectiva.com/


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/