From patchwork Tue Apr 7 03:03:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11477185 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 41F6092A for ; Tue, 7 Apr 2020 03:04:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0F603208FE for ; Tue, 7 Apr 2020 03:04:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="a3mZIFks" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F603208FE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D8C818E0014; Mon, 6 Apr 2020 23:03:58 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id D3BF38E0001; Mon, 6 Apr 2020 23:03:58 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C79C98E0014; Mon, 6 Apr 2020 23:03:58 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0029.hostedemail.com [216.40.44.29]) by kanga.kvack.org (Postfix) with ESMTP id B10BC8E0001 for ; Mon, 6 Apr 2020 23:03:58 -0400 (EDT) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 76F1B8019ACC for ; Tue, 7 Apr 2020 03:03:58 +0000 (UTC) X-FDA: 76679564556.19.game36_5cdefcc07e25b X-Spam-Summary: 2,0,0,4cceb51bcbcbcdd4,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:355:379:800:960:967:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1542:1711:1730:1747:1777:1792:1963:2198:2199:2393:2525:2559:2563:2682:2685:2693:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3872:3876:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6261:6653:6737:6738:7514:7576:9025:9391:9545:10004:10913:11026:11658:11914:12043:12048:12297:12517:12519:12533:12555:12679:12783:12986:13255:13846:14181:14721:14849:21080:21433:21451:21627:21819:21939:21990:30054,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:23,LUA_SUMMARY:none X-HE-Tag: game36_5cdefcc07e25b X-Filterd-Recvd-Size: 3870 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Apr 2020 03:03:58 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 60F6720801; Tue, 7 Apr 2020 03:03:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586228637; bh=to49U/JpVD30u6j6m1ktjUemaYrjcBJ2V//pMjPD68M=; h=Date:From:To:Subject:In-Reply-To:From; b=a3mZIFksfS6NDcPcvmjUSBom/50cr5C+tJNAERw1MCUhcA/HSEDWzpgQW5JKQS7Q/ KEJHAmkh2JGnXuGIwhRDfHqKVZVVC0CxFfecugAIK5/VqX5A6hDhbToljkoz9Sn8z+ jfRx4UwF067lefAkEbAMsweeBR0S33v8Ow1IbP+g= Date: Mon, 06 Apr 2020 20:03:55 -0700 From: Andrew Morton To: acme@kernel.org, akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, anshuman.khandual@arm.com, arnd@arndb.de, benh@kernel.crashing.org, dalias@libc.org, dave.hansen@linux.intel.com, geert@linux-m68k.org, guoren@kernel.org, linux-mm@kvack.org, luto@kernel.org, mgorman@suse.de, mingo@redhat.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, npiggin@gmail.com, paulburton@kernel.org, paulus@ozlabs.org, paulus@samba.org, peterz@infradead.org, ralf@linux-mips.org, rostedt@goodmis.org, tglx@linutronix.de, torvalds@linux-foundation.org, vbabka@suse.cz, viro@zeniv.linux.org.uk, will@kernel.org, ysato@users.sourceforge.jp Subject: [patch 008/166] mm/vma: replace all remaining open encodings with vma_is_anonymous() Message-ID: <20200407030355.GmQ-IUsBf%akpm@linux-foundation.org> In-Reply-To: <20200406200254.a69ebd9e08c4074e41ddebaf@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Anshuman Khandual Subject: mm/vma: replace all remaining open encodings with vma_is_anonymous() This replaces all remaining open encodings with vma_is_anonymous(). Link: http://lkml.kernel.org/r/1582520593-30704-5-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual Acked-by: Vlastimil Babka Cc: Andy Lutomirski Cc: "Aneesh Kumar K.V" Cc: Arnaldo Carvalho de Melo Cc: Arnd Bergmann Cc: Benjamin Herrenschmidt Cc: Dave Hansen Cc: Geert Uytterhoeven Cc: Guo Ren Cc: Ingo Molnar Cc: Mel Gorman Cc: Michael Ellerman Cc: Nick Piggin Cc: Paul Burton Cc: Paul Mackerras Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Ralf Baechle Cc: Rich Felker Cc: Steven Rostedt Cc: Thomas Gleixner Cc: Will Deacon Cc: Yoshinori Sato Signed-off-by: Andrew Morton --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/gup.c~mm-vma-replace-all-remaining-open-encodings-with-vma_is_anonymous +++ a/mm/gup.c @@ -351,7 +351,8 @@ static struct page *no_page_table(struct * But we can only make this optimization where a hole would surely * be zero-filled if handle_mm_fault() actually did handle it. */ - if ((flags & FOLL_DUMP) && (!vma->vm_ops || !vma->vm_ops->fault)) + if ((flags & FOLL_DUMP) && + (vma_is_anonymous(vma) || !vma->vm_ops->fault)) return ERR_PTR(-EFAULT); return NULL; }