From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Date: Sun, 24 Jun 2001 15:20:18 +0000 Subject: Re: [Linux-ia64] IO/TLB bounce buffer space Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Fri, 22 Jun 2001, Rich Altmaier wrote: > This is just a note to comment on the mention of: > Thus, worst case buffer usage would be 8kB * 253 * 16 * 4 = 126 MB only > for this driver! Of course it is highly unlikely that all these buffers > will be in use simultaneously. > This leaves no room for statistical analysis! Yup. Even though it may be the architecture formerly known as Itanic, people still CARE ABOUT STABILITY. Coding device drivers or the OS in such a way that kernel memory resources can be overcommitted is just irresponsible and foolish. regards, Rik -- Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose... http://www.surriel.com/ http://distro.conectiva.com/ Send all your spam to aardvark@nl.linux.org (spam digging piggy)