From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f170.google.com (mail-wi0-f170.google.com [209.85.212.170]) by kanga.kvack.org (Postfix) with ESMTP id 312D96B0038 for ; Tue, 30 Dec 2014 05:56:03 -0500 (EST) Received: by mail-wi0-f170.google.com with SMTP id bs8so25325504wib.1 for ; Tue, 30 Dec 2014 02:56:02 -0800 (PST) Received: from e06smtp17.uk.ibm.com (e06smtp17.uk.ibm.com. [195.75.94.113]) by mx.google.com with ESMTPS id x18si64155266wiv.98.2014.12.30.02.56.02 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 30 Dec 2014 02:56:02 -0800 (PST) Received: from /spool/local by e06smtp17.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 30 Dec 2014 10:56:01 -0000 Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp02.portsmouth.uk.ibm.com (Postfix) with ESMTP id 571802190045 for ; Tue, 30 Dec 2014 10:55:29 +0000 (GMT) Received: from d06av06.portsmouth.uk.ibm.com (d06av06.portsmouth.uk.ibm.com [9.149.37.217]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sBUAu0f458458114 for ; Tue, 30 Dec 2014 10:56:00 GMT Received: from d06av06.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av06.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sBU5qOOH000571 for ; Tue, 30 Dec 2014 00:52:25 -0500 Date: Tue, 30 Dec 2014 11:55:56 +0100 From: Martin Schwidefsky Subject: Re: [PATCH 30/38] s390: drop pte_file()-related helpers Message-ID: <20141230115556.1a8b1a94@mschwide> In-Reply-To: <20141229103757.GA379@node.dhcp.inet.fi> References: <1419423766-114457-1-git-send-email-kirill.shutemov@linux.intel.com> <1419423766-114457-31-git-send-email-kirill.shutemov@linux.intel.com> <20141229110727.75afa56d@mschwide> <20141229103757.GA379@node.dhcp.inet.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: "Kirill A. Shutemov" , akpm@linux-foundation.org, peterz@infradead.org, mingo@kernel.org, davej@redhat.com, sasha.levin@oracle.com, hughd@google.com, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Heiko Carstens On Mon, 29 Dec 2014 12:37:57 +0200 "Kirill A. Shutemov" wrote: > On Mon, Dec 29, 2014 at 11:07:27AM +0100, Martin Schwidefsky wrote: > > On Wed, 24 Dec 2014 14:22:38 +0200 > > "Kirill A. Shutemov" wrote: > > > > > We've replaced remap_file_pages(2) implementation with emulation. > > > Nobody creates non-linear mapping anymore. > > > > > > Signed-off-by: Kirill A. Shutemov > > > Cc: Martin Schwidefsky > > > Cc: Heiko Carstens > > > --- > > > @@ -279,7 +279,6 @@ static inline int is_module_addr(void *addr) > > > * > > > * pte_present is true for the bit pattern .xx...xxxxx1, (pte & 0x001) == 0x001 > > > * pte_none is true for the bit pattern .10...xxxx00, (pte & 0x603) == 0x400 > > > - * pte_file is true for the bit pattern .11...xxxxx0, (pte & 0x601) == 0x600 > > > * pte_swap is true for the bit pattern .10...xxxx10, (pte & 0x603) == 0x402 > > > */ > > > > Nice, once this is upstream I can free up one of the software bits in > > the pte by redefining the type bits. Right now all of them are used up. > > Is the removal of non-linear mappings a done deal ? > > Yes, if no horrible regression will be reported. We don't create > non-linear mapping in -mm (and -next) tree for a few release cycles. > Nobody complained so far. > > Ack? Yes, ack! -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- 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