From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 008/166] mm/vma: replace all remaining open encodings with vma_is_anonymous() Date: Mon, 06 Apr 2020 20:03:55 -0700 Message-ID: <20200407030355.GmQ-IUsBf%akpm@linux-foundation.org> References: <20200406200254.a69ebd9e08c4074e41ddebaf@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:47672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726287AbgDGDD5 (ORCPT ); Mon, 6 Apr 2020 23:03:57 -0400 In-Reply-To: <20200406200254.a69ebd9e08c4074e41ddebaf@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org 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 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; } _