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 12B1AC4332F for ; Mon, 24 Jan 2022 12:58:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242796AbiAXM6E (ORCPT ); Mon, 24 Jan 2022 07:58:04 -0500 Received: from foss.arm.com ([217.140.110.172]:33006 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242764AbiAXM55 (ORCPT ); Mon, 24 Jan 2022 07:57:57 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 99639101E; Mon, 24 Jan 2022 04:57:57 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.43.190]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 163A53F774; Mon, 24 Jan 2022 04:57:54 -0800 (PST) From: Anshuman Khandual To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, hch@infradead.org, akpm@linux-foundation.org, Anshuman Khandual Subject: [RFC V1 12/31] mm/mmap: Drop arch_filter_pgprot() Date: Mon, 24 Jan 2022 18:26:49 +0530 Message-Id: <1643029028-12710-13-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1643029028-12710-1-git-send-email-anshuman.khandual@arm.com> References: <1643029028-12710-1-git-send-email-anshuman.khandual@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There are no platforms left which subscribe ARCH_HAS_FILTER_PGPROT. Hence just drop arch_filter_pgprot() and also the config ARCH_HAS_FILTER_PGPROT. Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- mm/Kconfig | 3 --- mm/mmap.c | 10 +--------- 2 files changed, 1 insertion(+), 12 deletions(-) diff --git a/mm/Kconfig b/mm/Kconfig index fa436478a94c..212fb6e1ddaa 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -744,9 +744,6 @@ config IDLE_PAGE_TRACKING config ARCH_HAS_CACHE_LINE_SIZE bool -config ARCH_HAS_FILTER_PGPROT - bool - config ARCH_HAS_VM_GET_PAGE_PROT bool diff --git a/mm/mmap.c b/mm/mmap.c index f61f74a61f62..70a75ea91e94 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -102,14 +102,6 @@ static void unmap_region(struct mm_struct *mm, * w: (no) no * x: (yes) yes */ - -#ifndef CONFIG_ARCH_HAS_FILTER_PGPROT -static inline pgprot_t arch_filter_pgprot(pgprot_t prot) -{ - return prot; -} -#endif - static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags) { switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) { @@ -155,7 +147,7 @@ pgprot_t vm_get_page_prot(unsigned long vm_flags) pgprot_t ret = __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) | pgprot_val(arch_vm_get_page_prot(vm_flags))); - return arch_filter_pgprot(ret); + return ret; } EXPORT_SYMBOL(vm_get_page_prot); #endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */ -- 2.25.1