From patchwork Wed Mar 9 17:44:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 12775376 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B39D2C433EF for ; Wed, 9 Mar 2022 17:45:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4BCA18D0009; Wed, 9 Mar 2022 12:45:22 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 46C328D0001; Wed, 9 Mar 2022 12:45:22 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 30D678D0009; Wed, 9 Mar 2022 12:45:22 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0161.hostedemail.com [216.40.44.161]) by kanga.kvack.org (Postfix) with ESMTP id 229978D0001 for ; Wed, 9 Mar 2022 12:45:22 -0500 (EST) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id B66ED8248D52 for ; Wed, 9 Mar 2022 17:45:21 +0000 (UTC) X-FDA: 79225574442.20.844B216 Received: from pegase2.c-s.fr (pegase2.c-s.fr [93.17.235.10]) by imf15.hostedemail.com (Postfix) with ESMTP id 2331CA0002 for ; Wed, 9 Mar 2022 17:45:21 +0000 (UTC) Received: from localhost (mailhub3.si.c-s.fr [172.26.127.67]) by localhost (Postfix) with ESMTP id 4KDKN414Btz9sSp; Wed, 9 Mar 2022 18:45:08 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase2.c-s.fr ([172.26.127.65]) by localhost (pegase2.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id m_V9s6F8NXFZ; Wed, 9 Mar 2022 18:45:08 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase2.c-s.fr (Postfix) with ESMTP id 4KDKN01hzcz9sT6; Wed, 9 Mar 2022 18:45:04 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 21A2D8B794; Wed, 9 Mar 2022 18:45:04 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id NLytbKnzmhRG; Wed, 9 Mar 2022 18:45:04 +0100 (CET) Received: from PO20335.IDSI0.si.c-s.fr (unknown [192.168.202.27]) by messagerie.si.c-s.fr (Postfix) with ESMTP id E13E68B787; Wed, 9 Mar 2022 18:45:02 +0100 (CET) Received: from PO20335.IDSI0.si.c-s.fr (localhost [127.0.0.1]) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.16.1) with ESMTPS id 229HivK33619038 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Wed, 9 Mar 2022 18:44:57 +0100 Received: (from chleroy@localhost) by PO20335.IDSI0.si.c-s.fr (8.17.1/8.17.1/Submit) id 229HivO23619037; Wed, 9 Mar 2022 18:44:57 +0100 X-Authentication-Warning: PO20335.IDSI0.si.c-s.fr: chleroy set sender to christophe.leroy@csgroup.eu using -f From: Christophe Leroy To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , alex@ghiti.fr Cc: Christophe Leroy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, akpm@linux-foundation.org, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, Nicholas Piggin Subject: [PATCH v8 06/14] powerpc/mm: Move vma_mmu_pagesize() Date: Wed, 9 Mar 2022 18:44:40 +0100 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1646847882; l=1793; s=20211009; h=from:subject:message-id; bh=5Li+ajM2GCizfDR7gFdjTQXnNnX+2KpJ4ThmOFZz0a0=; b=+665yCO2pneo9TTjk+/7YcJsw38mytGVbXPUwaR8WSvICuFvvPafydo70Gg8QkSIAaWz3/49VQth ybCtNLKQDzjCZrreQOWfinu+hWCdVXYrx7NqcXxLiOpKljjLKr67 X-Developer-Key: i=christophe.leroy@csgroup.eu; a=ed25519; pk=HIzTzUj91asvincQGOFx6+ZF5AoUuP9GdOtQChs7Mm0= X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 2331CA0002 X-Stat-Signature: tujo7fimw1f4sp7ibtk8xdapec7zfk38 Authentication-Results: imf15.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf15.hostedemail.com: domain of christophe.leroy@csgroup.eu designates 93.17.235.10 as permitted sender) smtp.mailfrom=christophe.leroy@csgroup.eu X-HE-Tag: 1646847921-194349 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: vma_mmu_pagesize() is only required for slices, otherwise there is a generic weak version doing the exact same thing. Move it to slice.c Signed-off-by: Christophe Leroy Reviewed-by: Nicholas Piggin --- arch/powerpc/mm/hugetlbpage.c | 11 ----------- arch/powerpc/mm/slice.c | 9 +++++++++ 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index b642a5a8668f..7b89f0799d82 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -565,17 +565,6 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, } #endif -unsigned long vma_mmu_pagesize(struct vm_area_struct *vma) -{ - /* With radix we don't use slice, so derive it from vma*/ - if (IS_ENABLED(CONFIG_PPC_MM_SLICES) && !radix_enabled()) { - unsigned int psize = get_slice_psize(vma->vm_mm, vma->vm_start); - - return 1UL << mmu_psize_to_shift(psize); - } - return vma_kernel_pagesize(vma); -} - bool __init arch_hugetlb_valid_size(unsigned long size) { int shift = __ffs(size); diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index f42711f865f3..8a3ac062b71e 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -759,4 +759,13 @@ int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, return !slice_check_range_fits(mm, maskp, addr, len); } + +unsigned long vma_mmu_pagesize(struct vm_area_struct *vma) +{ + /* With radix we don't use slice, so derive it from vma*/ + if (radix_enabled()) + return vma_kernel_pagesize(vma); + + return 1UL << mmu_psize_to_shift(get_slice_psize(vma->vm_mm, vma->vm_start)); +} #endif