From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by wa-out-1112.google.com with SMTP id m33so1056646wag for ; Fri, 10 Aug 2007 16:25:35 -0700 (PDT) Message-ID: <4a5909270708101625q407a240ck6109ef536fdbed4a@mail.gmail.com> Date: Fri, 10 Aug 2007 19:25:34 -0400 From: "Daniel Phillips" Subject: Re: [PATCH 02/10] mm: system wide ALLOC_NO_WATERMARK In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070806102922.907530000@chello.nl> <4a5909270708091141tb259eddyb2bba1270751ef1@mail.gmail.com> <4a5909270708091717n2f93fcb5i284d82edfd235145@mail.gmail.com> <4a5909270708092034yaa0a583w70084ef93266df48@mail.gmail.com> <4a5909270708100115v4ad10c4es697d216edf29b07d@mail.gmail.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Daniel Phillips , Peter Zijlstra , Matt Mackall , linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Miller , Andrew Morton , Daniel Phillips List-ID: On 8/10/07, Christoph Lameter wrote: > The idea of adding code to deal with "I have no memory" situations > in a kernel that based on have as much memory as possible in use at all > times is plainly the wrong approach. No. It is you who have read the patches wrongly, because what you imply here is exactly backwards. > If you need memory then memory needs > to be reclaimed. That is the basic way that things work Wrong. A naive reading of your comment would suggest you do not understand how PF_MEMALLOC works, and that it has worked that way from day one (well, since long before I arrived) and that we just do more of the same, except better. > and following that > through brings about a much less invasive solution without all the issues > that the proposed solution creates. What issues? Test case please, a real one that you have run yourself. Please, no more theoretical issues that cannot be demonstrated in practice because they do not exist. Regards, Daniel -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org