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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 2B95EC3A59E for ; Wed, 21 Aug 2019 18:36:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0968022DD3 for ; Wed, 21 Aug 2019 18:36:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727504AbfHUSg0 (ORCPT ); Wed, 21 Aug 2019 14:36:26 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:56843 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726741AbfHUSg0 (ORCPT ); Wed, 21 Aug 2019 14:36:26 -0400 Received: from p5de0b6c5.dip0.t-ipconnect.de ([93.224.182.197] helo=nanos) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1i0VSx-0003HL-QR; Wed, 21 Aug 2019 20:36:15 +0200 Date: Wed, 21 Aug 2019 20:36:14 +0200 (CEST) From: Thomas Gleixner To: Mike Rapoport cc: Andrew Morton , Catalin Marinas , Will Deacon , Ingo Molnar , Borislav Petkov , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: consolidate pgtable_cache_init() and pgd_cache_init() In-Reply-To: <1566400018-15607-1-git-send-email-rppt@linux.ibm.com> Message-ID: References: <1566400018-15607-1-git-send-email-rppt@linux.ibm.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 21 Aug 2019, Mike Rapoport wrote: > diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h > index b9b9f8a..0dca7f7 100644 > --- a/arch/x86/include/asm/pgtable_32.h > +++ b/arch/x86/include/asm/pgtable_32.h > @@ -29,7 +29,6 @@ extern pgd_t swapper_pg_dir[1024]; > extern pgd_t initial_page_table[1024]; > extern pmd_t initial_pg_pmd[]; > > -static inline void pgtable_cache_init(void) { } > void paging_init(void); > void sync_initial_page_table(void); > > diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h > index a26d2d5..0b6c4042 100644 > --- a/arch/x86/include/asm/pgtable_64.h > +++ b/arch/x86/include/asm/pgtable_64.h > @@ -241,8 +241,6 @@ extern void cleanup_highmap(void); > #define HAVE_ARCH_UNMAPPED_AREA > #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN > > -#define pgtable_cache_init() do { } while (0) > - > #define PAGE_AGP PAGE_KERNEL_NOCACHE > #define HAVE_PAGE_AGP 1 > > diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c > index 73757bc..3e4b903 100644 > --- a/arch/x86/mm/pgtable.c > +++ b/arch/x86/mm/pgtable.c > @@ -357,7 +357,7 @@ static void pgd_prepopulate_user_pmd(struct mm_struct *mm, > > static struct kmem_cache *pgd_cache; > > -void __init pgd_cache_init(void) > +void __init pgtable_cache_init(void) > { > /* > * When PAE kernel is running as a Xen domain, it does not use > @@ -402,10 +402,6 @@ static inline void _pgd_free(pgd_t *pgd) > } > #else > > -void __init pgd_cache_init(void) > -{ > -} Acked-by: Thomas Gleixner