Subject: Re: Slow down with recent linux kernel

From: Dan Malek <[email-masked]>
Date: Wed, 14 Apr 2004 21:58:34 -0400

Richard Laing wrote:

> ....Startup time for our application form power on to running is increased
 > by between 30% and 50%.

How does your application start up?  Initrd? Jffs2? Network?
What are you actually measuring?

Use some standard, focused, benchmarks and collect some quantitative data.
Then, we can discuss something.

> ....this uses consistent_alloc which doesn't appear to return a
 > real physical address

Sure it does....dma_addr_t.

Thanks.

	-- Dan

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/