From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx162.postini.com [74.125.245.162]) by kanga.kvack.org (Postfix) with SMTP id AD2876B0002 for ; Tue, 2 Apr 2013 05:55:38 -0400 (EDT) Date: Tue, 2 Apr 2013 11:55:36 +0200 From: Michal Hocko Subject: Re: mm: page_alloc: avoid marking zones full prematurely after zone_reclaim() Message-ID: <20130402095536.GG24345@dhcp22.suse.cz> References: <20130327060141.GA23703@longonot.mountain> <20130327165556.GA22966@dhcp22.suse.cz> <20130401111324.GY18466@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130401111324.GY18466@mwanda> Sender: owner-linux-mm@kvack.org List-ID: To: Dan Carpenter Cc: mgorman@suse.de, linux-mm@kvack.org, Andrew Morton On Mon 01-04-13 14:13:24, Dan Carpenter wrote: > I still don't understand the code in gfp_to_alloc_flags(). > > int alloc_flags = ALLOC_WMARK_MIN | ALLOC_CPUSET; > > ORing with zero is odd. It is a named zero ;) Something similar like GFP_NOWAIT AFAIU. -- Michal Hocko SUSE Labs -- 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