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 1DB11C433EF for ; Mon, 24 Jan 2022 12:59:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243033AbiAXM7b (ORCPT ); Mon, 24 Jan 2022 07:59:31 -0500 Received: from foss.arm.com ([217.140.110.172]:33280 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242869AbiAXM7G (ORCPT ); Mon, 24 Jan 2022 07:59:06 -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 E4B0111D4; Mon, 24 Jan 2022 04:59:05 -0800 (PST) Received: from p8cg001049571a15.arm.com (unknown [10.163.43.190]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6F3733F774; Mon, 24 Jan 2022 04:59:03 -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 29/31] mm/mmap: Drop generic vm_get_page_prot() Date: Mon, 24 Jan 2022 18:27:06 +0530 Message-Id: <1643029028-12710-30-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 All available platforms export their own vm_get_page_prot() implementation via ARCH_HAS_VM_GET_PAGE_PROT. Hence a generic implementation is no longer needed. Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- mm/mmap.c | 40 ---------------------------------------- 1 file changed, 40 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index 2fc597cf8b8d..368bc8aee45b 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -102,46 +102,6 @@ static void unmap_region(struct mm_struct *mm, * w: (no) no * x: (yes) yes */ -pgprot_t vm_get_page_prot(unsigned long vm_flags) -{ - switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) { - case VM_NONE: - return __P000; - case VM_READ: - return __P001; - case VM_WRITE: - return __P010; - case VM_READ | VM_WRITE: - return __P011; - case VM_EXEC: - return __P100; - case VM_EXEC | VM_READ: - return __P101; - case VM_EXEC | VM_WRITE: - return __P110; - case VM_EXEC | VM_READ | VM_WRITE: - return __P111; - case VM_SHARED: - return __S000; - case VM_SHARED | VM_READ: - return __S001; - case VM_SHARED | VM_WRITE: - return __S010; - case VM_SHARED | VM_READ | VM_WRITE: - return __S011; - case VM_SHARED | VM_EXEC: - return __S100; - case VM_SHARED | VM_EXEC | VM_READ: - return __S101; - case VM_SHARED | VM_EXEC | VM_WRITE: - return __S110; - case VM_SHARED | VM_EXEC | VM_READ | VM_WRITE: - return __S111; - default: - BUILD_BUG(); - } -} -EXPORT_SYMBOL(vm_get_page_prot); #endif /* CONFIG_ARCH_HAS_VM_GET_PAGE_PROT */ static pgprot_t vm_pgprot_modify(pgprot_t oldprot, unsigned long vm_flags) -- 2.25.1