From eb968777328077ca2c4b0818deb011926de729ad Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Fri, 3 May 2013 17:25:10 +0200 Subject: mention possibly missing DMA support --- faq/slow.mdwn | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'faq/slow.mdwn') diff --git a/faq/slow.mdwn b/faq/slow.mdwn index be01e882..80c4ed00 100644 --- a/faq/slow.mdwn +++ b/faq/slow.mdwn @@ -22,7 +22,8 @@ hold. The main reason for slowness is *not* because of the overhead of RPCs. It's mostly simply because less care has been done on implementing what makes Linux -fast: intelligent read-ahead, carefully-tuned page cache, etc. +fast: intelligent read-ahead, carefully-tuned page cache, etc. or even just +missing DMA support for your disk controller. There is no ground reason this can not be achieved on GNU/Hurd, it has just not been a priority until now (first make it work, then make it work fast). We are -- cgit v1.2.3