From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v3 0/3] mm: introduce fincore() v3 Date: Wed, 9 Jul 2014 01:51:59 -0700 Message-ID: <20140709085159.GA10693@infradead.org> References: <1404756006-23794-1-git-send-email-n-horiguchi@ah.jp.nec.com> <20140708121618.GA2554@infradead.org> <20140708132755.GA24698@nhori> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20140708132755.GA24698@nhori> Sender: owner-linux-mm@kvack.org To: Naoya Horiguchi Cc: Christoph Hellwig , Andrew Morton , Konstantin Khlebnikov , Wu Fengguang , Arnaldo Carvalho de Melo , Borislav Petkov , "Kirill A. Shutemov" , Johannes Weiner , Rusty Russell , David Miller , Andres Freund , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Dave Hansen , Dave Chinner , Michael Kerrisk , Linux API , Naoya Horiguchi List-Id: linux-api@vger.kernel.org On Tue, Jul 08, 2014 at 09:27:55AM -0400, Naoya Horiguchi wrote: > On Tue, Jul 08, 2014 at 05:16:18AM -0700, Christoph Hellwig wrote: > > Still a hard NAK for exposing page flags in a syscall ABI. These are > > way to volatile to go into an application interface. > > Is there any specific reason that exporting via syscall ABI is more > volatile than exporting via procfs as /proc/kpageflags alreadly does? An optional proc debug output is very different from an actual system call. -- 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