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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD8CDC433E3 for ; Fri, 7 Aug 2020 06:22:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C2E222CAF for ; Fri, 7 Aug 2020 06:22:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781355; bh=1Ig4RehoHuoccqQrfVl0xTQN5UF60fiYe1h00zAkXW4=; h=Date:From:To:Subject:In-Reply-To:Reply-To:List-ID:From; b=rDOFeppR3YvbKpWqlK+g3Pfqp8pBOvebwPRBvWpQUO6jzEbZqYzza0Pe4SSlKe86C AHeI5FwqIHr+vBKB9PBZURONMHDw9wM1K4nnmtDGsAXAa1+noixafmhsEYPpq66pFX DOaULppMFeEuYfbEJJLCI63K/I4XJ62Mg1u7O8Co= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726238AbgHGGWf (ORCPT ); Fri, 7 Aug 2020 02:22:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:59050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbgHGGWe (ORCPT ); Fri, 7 Aug 2020 02:22:34 -0400 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 DA73A22C9F; Fri, 7 Aug 2020 06:22:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596781353; bh=1Ig4RehoHuoccqQrfVl0xTQN5UF60fiYe1h00zAkXW4=; h=Date:From:To:Subject:In-Reply-To:From; b=YwQOeEbYKyO+K5v+iS6T5RX8fSr6Ey17hG91bs4AzvbtNSD/ooy8n7PsFSCRkJV2S AKeJ0MBMOCNFT5JwEgn48XrkLqkciaY498gjDx9Dk112vs67WkgCODic7kRSE+i6kl YkTdd4+QaYNuD3H6N2hihiN4CXn1fFhJ1tllSLFQ= Date: Thu, 06 Aug 2020 23:22:32 -0700 From: Andrew Morton To: abdhalee@linux.vnet.ibm.com, akpm@linux-foundation.org, arnd@arndb.de, christophe.leroy@csgroup.eu, geert@linux-m68k.org, jcmvbkbc@gmail.com, joro@8bytes.org, jroedel@suse.de, linux-mm@kvack.org, luto@kernel.org, mm-commits@vger.kernel.org, penberg@kernel.org, peterz@infradead.org, rostedt@goodmis.org, rppt@linux.ibm.com, sathnaga@linux.vnet.ibm.com, sfr@canb.auug.org.au, shorne@gmail.com, torvalds@linux-foundation.org, willy@infradead.org Subject: [patch 097/163] opeinrisc: switch to generic version of pte allocation Message-ID: <20200807062232.OczdEdm4i%akpm@linux-foundation.org> In-Reply-To: <20200806231643.a2711a608dd0f18bff2caf2b@linux-foundation.org> User-Agent: s-nail v14.8.16 Sender: mm-commits-owner@vger.kernel.org Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Mike Rapoport Subject: opeinrisc: switch to generic version of pte allocation Replace pte_alloc_one(), pte_free() and pte_free_kernel() with the generic implementation. The only actual functional change is the addition of __GFP_ACCOUT for the allocation of the user page tables. The pte_alloc_one_kernel() is kept back because its implementation on openrisc is different than the generic one. Link: http://lkml.kernel.org/r/20200627143453.31835-3-rppt@kernel.org Signed-off-by: Mike Rapoport Acked-by: Stafford Horne Reviewed-by: Pekka Enberg Cc: Abdul Haleem Cc: Andy Lutomirski Cc: Arnd Bergmann Cc: Christophe Leroy Cc: Joerg Roedel Cc: Joerg Roedel Cc: Max Filippov Cc: Peter Zijlstra (Intel) Cc: Satheesh Rajendran Cc: Stephen Rothwell Cc: Steven Rostedt Cc: Geert Uytterhoeven Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- arch/openrisc/include/asm/pgalloc.h | 33 ++------------------------ 1 file changed, 3 insertions(+), 30 deletions(-) --- a/arch/openrisc/include/asm/pgalloc.h~opeinrisc-switch-to-generic-version-of-pte-allocation +++ a/arch/openrisc/include/asm/pgalloc.h @@ -20,6 +20,9 @@ #include #include +#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL +#include + extern int mem_init_done; #define pmd_populate_kernel(mm, pmd, pte) \ @@ -61,38 +64,8 @@ extern inline pgd_t *pgd_alloc(struct mm } #endif -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - free_page((unsigned long)pgd); -} - extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); -static inline struct page *pte_alloc_one(struct mm_struct *mm) -{ - struct page *pte; - pte = alloc_pages(GFP_KERNEL, 0); - if (!pte) - return NULL; - clear_page(page_address(pte)); - if (!pgtable_pte_page_ctor(pte)) { - __free_page(pte); - return NULL; - } - return pte; -} - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, struct page *pte) -{ - pgtable_pte_page_dtor(pte); - __free_page(pte); -} - #define __pte_free_tlb(tlb, pte, addr) \ do { \ pgtable_pte_page_dtor(pte); \ _