From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A6F7C4332F for ; Thu, 14 Apr 2022 21:10:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346823AbiDNVM5 (ORCPT ); Thu, 14 Apr 2022 17:12:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346835AbiDNVMy (ORCPT ); Thu, 14 Apr 2022 17:12:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA3F9D64C6 for ; Thu, 14 Apr 2022 14:10:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 29E4E6200B for ; Thu, 14 Apr 2022 21:10:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D1AEC385A9; Thu, 14 Apr 2022 21:10:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1649970616; bh=zQhQAYIybL+lTwvGhfp8FDfXEXZYDKlMspNUUuPH2DY=; h=Date:To:From:Subject:From; b=n2udEbMBqlNQwqS5AKBc5iQP1xthTYT9a22Jm1pr/5YZr7q0FRZLiPaCAfY0LS7zA rlJPvsEiusrqoOYBC67j5jeyVW81lNFz5uAZk4YlVPoaBAj/zolzZZ/j6y5IMnwVI5 KLjVK4x6G7MIwz40diHEhGKGlaglxHu97P7/wj4w= Date: Thu, 14 Apr 2022 14:10:15 -0700 To: mm-commits@vger.kernel.org, will@kernel.org, tglx@linutronix.de, paulus@samba.org, mpe@ellerman.id.au, mingo@redhat.com, khalid.aziz@oracle.com, hch@infradead.org, davem@davemloft.net, christophe.leroy@csgroup.eu, catalin.marinas@arm.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-mmap-drop-arch_vm_get_page_pgprot.patch added to -mm tree Message-Id: <20220414211016.7D1AEC385A9@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/mmap: Drop arch_vm_get_page_pgprot() has been added to the -mm tree. Its filename is mm-mmap-drop-arch_vm_get_page_pgprot.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-mmap-drop-arch_vm_get_page_pgprot.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-mmap-drop-arch_vm_get_page_pgprot.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Anshuman Khandual Subject: mm/mmap: Drop arch_vm_get_page_pgprot() There are no platforms left which use arch_vm_get_page_prot(). Just drop generic arch_vm_get_page_prot(). Link: https://lkml.kernel.org/r/20220414062125.609297-8-anshuman.khandual@arm.com Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Christophe Leroy Reviewed-by: Catalin Marinas Signed-off-by: Anshuman Khandual Cc: Christoph Hellwig Cc: David S. Miller Cc: Ingo Molnar Cc: Khalid Aziz Cc: Michael Ellerman Cc: Paul Mackerras Cc: Thomas Gleixner Cc: Will Deacon Signed-off-by: Andrew Morton --- --- a/include/linux/mman.h~mm-mmap-drop-arch_vm_get_page_pgprot +++ a/include/linux/mman.h @@ -93,10 +93,6 @@ static inline void vm_unacct_memory(long #define arch_calc_vm_flag_bits(flags) 0 #endif -#ifndef arch_vm_get_page_prot -#define arch_vm_get_page_prot(vm_flags) __pgprot(0) -#endif - #ifndef arch_validate_prot /* * This is called from mprotect(). PROT_GROWSDOWN and PROT_GROWSUP have --- a/mm/mmap.c~mm-mmap-drop-arch_vm_get_page_pgprot +++ a/mm/mmap.c @@ -123,9 +123,7 @@ pgprot_t protection_map[16] __ro_after_i #ifndef CONFIG_ARCH_HAS_VM_GET_PAGE_PROT pgprot_t vm_get_page_prot(unsigned long vm_flags) { - return __pgprot(pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | - pgprot_val(arch_vm_get_page_prot(vm_flags))); + return protection_map[vm_flags & (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]; } EXPORT_SYMBOL(vm_get_page_prot); #endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */ _ Patches currently in -mm which might be from anshuman.khandual@arm.com are mm-debug_vm_pgtable-drop-protection_map-usage.patch mm-mmap-clarify-protection_map-indices.patch mm-mmap-add-new-config-arch_has_vm_get_page_prot.patch powerpc-mm-enable-arch_has_vm_get_page_prot.patch arm64-mm-enable-arch_has_vm_get_page_prot.patch sparc-mm-enable-arch_has_vm_get_page_prot.patch mm-mmap-drop-arch_filter_pgprot.patch mm-mmap-drop-arch_vm_get_page_pgprot.patch