From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: RFC limit sk_mem_quantum to 8192 Date: Tue, 21 May 2013 19:21:01 -0700 Message-ID: <1369189261.3301.269.camel@edumazet-glaptop> References: <20130522004541.GA17240@obelix.rh> <1369184962.3301.264.camel@edumazet-glaptop> <20130522015858.GB17240@obelix.rh> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, David Miller To: Flavio Leitner Return-path: Received: from mail-pa0-f53.google.com ([209.85.220.53]:53807 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753617Ab3EVCVE (ORCPT ); Tue, 21 May 2013 22:21:04 -0400 Received: by mail-pa0-f53.google.com with SMTP id kq12so1315829pab.12 for ; Tue, 21 May 2013 19:21:03 -0700 (PDT) In-Reply-To: <20130522015858.GB17240@obelix.rh> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 2013-05-21 at 22:58 -0300, Flavio Leitner wrote: > On Tue, May 21, 2013 at 06:09:22PM -0700, Eric Dumazet wrote: > > > Are you sure a network driver doesn't provide skb using a full page ? > > You lost me. You're saying that today we consider a page size > a minimum and so if we reduce that, the skb wouldn't fit in the > min sk memory? SK_MEM_QUANTUM is also used in UDP stack, thats why I am asking.