From nobody Mon Feb 9 06:48:36 2026 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 75490C001DE for ; Mon, 31 Jul 2023 07:39:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231637AbjGaHjj (ORCPT ); Mon, 31 Jul 2023 03:39:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229680AbjGaHjV (ORCPT ); Mon, 31 Jul 2023 03:39:21 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06E33125 for ; Mon, 31 Jul 2023 00:39:19 -0700 (PDT) Received: from dggpemm100001.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RDqp763FHzVjdw; Mon, 31 Jul 2023 15:37:35 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm100001.china.huawei.com (7.185.36.93) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 31 Jul 2023 15:39:16 +0800 From: Kefeng Wang To: Andrew Morton , Catalin Marinas , Will Deacon , Mike Kravetz , Muchun Song , Mina Almasry , , , , , CC: , , Kefeng Wang Subject: [PATCH 4/4] arm64: tlb: set huge page size to stride for hugepage Date: Mon, 31 Jul 2023 15:48:29 +0800 Message-ID: <20230731074829.79309-5-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230731074829.79309-1-wangkefeng.wang@huawei.com> References: <20230731074829.79309-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm100001.china.huawei.com (7.185.36.93) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" It is better to use huge_page_size() for hugepage(HugeTLB) instead of PAGE_SIZE for stride, which has been done in flush_pmd/pud_tlb_range(), it could reduce the loop in __flush_tlb_range(). Signed-off-by: Kefeng Wang --- arch/arm64/include/asm/tlbflush.h | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlb= flush.h index 412a3b9a3c25..25e35e6f8093 100644 --- a/arch/arm64/include/asm/tlbflush.h +++ b/arch/arm64/include/asm/tlbflush.h @@ -360,16 +360,17 @@ static inline void __flush_tlb_range(struct vm_area_s= truct *vma, dsb(ish); } =20 -static inline void flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) -{ - /* - * We cannot use leaf-only invalidation here, since we may be invalidating - * table entries as part of collapsing hugepages or moving page tables. - * Set the tlb_level to 0 because we can not get enough information here. - */ - __flush_tlb_range(vma, start, end, PAGE_SIZE, false, 0); -} +/* + * We cannot use leaf-only invalidation here, since we may be invalidating + * table entries as part of collapsing hugepages or moving page tables. + * Set the tlb_level to 0 because we can not get enough information here. + */ +#define flush_tlb_range(vma, start, end) \ + __flush_tlb_range(vma, start, end, \ + ((vma)->vm_flags & VM_HUGETLB) \ + ? huge_page_size(hstate_vma(vma)) \ + : PAGE_SIZE, false, 0) + =20 static inline void flush_tlb_kernel_range(unsigned long start, unsigned lo= ng end) { --=20 2.41.0