From patchwork Sat May 18 07:49:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bang Li X-Patchwork-Id: 13667506 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 DE6BAC25B74 for ; Sat, 18 May 2024 07:51:48 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9F5966B0096; Sat, 18 May 2024 03:51:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 97D4B6B0098; Sat, 18 May 2024 03:51:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7F6776B0099; Sat, 18 May 2024 03:51:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 569716B0096 for ; Sat, 18 May 2024 03:51:46 -0400 (EDT) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id F1864140637 for ; Sat, 18 May 2024 07:51:45 +0000 (UTC) X-FDA: 82130747370.30.7F89CC3 Received: from out0-194.mail.aliyun.com (out0-194.mail.aliyun.com [140.205.0.194]) by imf17.hostedemail.com (Postfix) with ESMTP id 0EE8E40013 for ; Sat, 18 May 2024 07:51:43 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=antgroup.com header.s=default header.b=0IlDP5wf; dmarc=pass (policy=quarantine) header.from=antgroup.com; spf=pass (imf17.hostedemail.com: domain of libang.li@antgroup.com designates 140.205.0.194 as permitted sender) smtp.mailfrom=libang.li@antgroup.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1716018704; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=MvaQlNmLKjB1JJG125kcLMl74RVFk5etnjUBr5sySWs=; b=yFQ2TO5HP+B150UJHbdgZgnT5Z5fXcU3+HqNUb//gTXJFRR4zf74HSwWWPHHb6tYFykm93 4Ct/tjhWEEJljFAHicbVgFhdNMSNRzoyRRA3s7SUPLmvEUoBkvic7qbqSY63sJtvMLctFe xDJjkmpEuarD0emAQLp5H10/Xu8XVQM= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=antgroup.com header.s=default header.b=0IlDP5wf; dmarc=pass (policy=quarantine) header.from=antgroup.com; spf=pass (imf17.hostedemail.com: domain of libang.li@antgroup.com designates 140.205.0.194 as permitted sender) smtp.mailfrom=libang.li@antgroup.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1716018704; a=rsa-sha256; cv=none; b=k1gEd6TLxsD+fUavcRCWiMGjmr+PbhCM3ZzTkC0h4BKJkTj+LVz+2FOGFkVr+M1zWarVSe aFsPWS2j4ZTWRtN+FgV4eRrjAyTC8nBFuU3uXxeU5QSWihtIiWZ3lw6ulBeIJUvmZ2sUqI UoDaeQu3KdYnfs8NpwO5EZ5z+HT1U+0= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antgroup.com; s=default; t=1716018701; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=MvaQlNmLKjB1JJG125kcLMl74RVFk5etnjUBr5sySWs=; b=0IlDP5wf+f6nRHb1uwC+DFTFkgr5wFHSQYK4a1lx22LkveOy8pulAeT3912AVIHSp9Tjjc+Bw2N9xd9zDmN4on1gERrUMinmxDE4eSSEERoUJ4ukg0bQSOI3MQea0c9x1tjJll3Bt2njP95WC6xagfRKhzy5flJ1RxmMkepXcrU= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R771e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018047203;MF=libang.li@antgroup.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---.XgA9uMj_1716018698; Received: from localhost(mailfrom:libang.li@antgroup.com fp:SMTPD_---.XgA9uMj_1716018698) by smtp.aliyun-inc.com; Sat, 18 May 2024 15:51:39 +0800 From: "Bang Li" To: akpm@linux-foundation.org, chenhuacai@kernel.org, tsbogend@alpha.franken.de, paul.walmsley@sifive.com, palmer@dabbelt.com, chris@zankel.net, jcmvbkbc@gmail.com Cc: , , , , , , , , "Bang Li" Subject: [PATCH v3 3/3] mm: Use update_mmu_tlb_range() to simplify code Date: Sat, 18 May 2024 15:49:14 +0800 Message-Id: <20240518074914.52170-4-libang.li@antgroup.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20240518074914.52170-1-libang.li@antgroup.com> References: <20240518074914.52170-1-libang.li@antgroup.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: 0EE8E40013 X-Stat-Signature: 5f4drcr85x63bszqjg5usspd57t5ca1i X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1716018703-483619 X-HE-Meta: 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 eM2XGhCE attE88Y+dDGBOowuUvmCfXPexezd5hBEO5TpoGzj4mVwqWj8uZxEsXD84789V2Zwp0llTeH53KNIa/d/bLKR27mfbdBc3+cJoGa7/TJ+zBVCJLo4kWRVYf0fqBTMwnE6JL3vm3PnfslxtPIM6r27JPgfaILghpPEo2dDADPMIf/KsRq5XgEGfW1+QaheCiDVazHAI8Te+irS4yIIBkPYMni2GUO82l5q8O05r72f//N4qO0ki4Lx3Va2PGe1v4Q/NPyZiHo41QWX3uMTKMj4oXvTGa1hwkxRoQzVr9hVH7fgCn593vzFiczkXPDj1yWmcDWt5qQlrqcykeps= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000167, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Let us simplify the code by update_mmu_tlb_range(). Signed-off-by: Bang Li Reviewed-by: Lance Yang Acked-by: David Hildenbrand --- mm/memory.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index eea6e4984eae..2d53e29cf76e 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4421,7 +4421,6 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf) vm_fault_t ret = 0; int nr_pages = 1; pte_t entry; - int i; /* File mapping without ->vm_ops ? */ if (vma->vm_flags & VM_SHARED) @@ -4491,8 +4490,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf) update_mmu_tlb(vma, addr, vmf->pte); goto release; } else if (nr_pages > 1 && !pte_range_none(vmf->pte, nr_pages)) { - for (i = 0; i < nr_pages; i++) - update_mmu_tlb(vma, addr + PAGE_SIZE * i, vmf->pte + i); + update_mmu_tlb_range(vma, addr, vmf->pte, nr_pages); goto release; }