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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C34B103E19E for ; Wed, 18 Mar 2026 15:51:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9468D6B02A2; Wed, 18 Mar 2026 11:51:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 91E546B02A4; Wed, 18 Mar 2026 11:51:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 833D26B02A5; Wed, 18 Mar 2026 11:51:37 -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 7054E6B02A2 for ; Wed, 18 Mar 2026 11:51:37 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 4227E1A0827 for ; Wed, 18 Mar 2026 15:51:37 +0000 (UTC) X-FDA: 84559623834.26.E81FDDD Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf19.hostedemail.com (Postfix) with ESMTP id 8B87F1A0007 for ; Wed, 18 Mar 2026 15:51:35 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kDPMxDLz; spf=pass (imf19.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1773849095; 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=glto3nNF1o9CHd2IWYLUNY37G4HJU66Jefs9tYxHtxg=; b=0tpCvG9hxbu9ydEeXoDe7HUqEFs+vORGkRv8UUE9c7OumdwLWQ9lQX28Il10IAinZqW+cF eMMVwLSGMgv98XIvAg+Sg8PFxnS+LoD8M7hgiNQFXA6E7++HCMJ0DYf1z+d8t4UX3ehGXQ ORFLWO+pPHfA8SIe6q7yxfQUSMD6Jdw= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1773849095; a=rsa-sha256; cv=none; b=iA856QNuThLDhR5/xEfyScb7XR6bQUGOvmQ8SKrLWIbNtE9jSUwKs2pREKNNHzeQOWwZaS Ol9XfQxgqjnTjzjOLGu58He5CZTZoq+vT4HEQ1uxXetbbACY0DUtMMLh8YeyZExdlf+D69 D4NfrcPBLEkBqVWLybYNtCUmCb4KdGc= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=kDPMxDLz; spf=pass (imf19.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id A4DEE43584; Wed, 18 Mar 2026 15:51:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DAB3EC2BCB2; Wed, 18 Mar 2026 15:51:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773849094; bh=150j1rGpWka5LRXWKCunu72PErJxZ/dfG4LF16Tl7W0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kDPMxDLzDvDDTbMPL2/3zxMJcUyos/Kd1krK7p0PTRGQJegUO1mUk5Q5Xf1QCFPHh cmOM/2QPFmFxh9bxIBrCqlkQp3t2DXUBsQN7TiLXICJj27sUQSjx5hD01nv0TYVNLa po/CcfNmhBTzUUuinyzxLAsS5JsdajCIt8aA4k9S4kkfSaWKlUeE93uFoI6TaABUJy FP1L6CjQjhQ8349B9Yf6djzVckaaM9suzrhHQ4HkUvJTJ4WYydMQPStHwmL7Rby5NI FLVa5pmYi3r1kS84AhGJs+gxE9WLqEykq5Z4i1FB4hnpQOB7ih2wwMO94sdFH7a9b+ De0uTburJz5FQ== From: "Lorenzo Stoakes (Oracle)" To: Andrew Morton Cc: David Hildenbrand , "Liam R . Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , Mike Rapoport , Suren Baghdasaryan , Kees Cook , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Brian Cain , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Dinh Nguyen , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Richard Weinberger , Anton Ivanov , Johannes Berg , Alexander Viro , Christian Brauner , Jan Kara , Xu Xin , Chengming Zhou , Michal Hocko , Paul Moore , Stephen Smalley , Ondrej Mosnacek , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-um@lists.infradead.org, linux-fsdevel@vger.kernel.org, selinux@vger.kernel.org Subject: [PATCH v3 19/23] mm/vma: introduce vma_clear_flags[_mask]() Date: Wed, 18 Mar 2026 15:50:30 +0000 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 8B87F1A0007 X-Stat-Signature: zqmtko1u5hdugnh5wcf8ke5tgmw6a9g3 X-HE-Tag: 1773849095-208343 X-HE-Meta: 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 Ap6HylSj +bhH4i9bPBqYEhjUJFR+jg28P7Kc5xAMAYkbAwyU/NODG/4vr/KowDPQWM3prjtO8wBQ5GopqY96XwQiw0hKmriq98gff0+fG+BRxBr5x2eXOH/O93929+C9PE8G45D5hoB+txHAeYRfVUHTFyac5Zs+vM1NVytrqOuv/Uo+Qz2JU2qlWVO8qkdmW3OmDQzZZZc3vUSVg27Ad6R+RPiKQnNdRay3A2OMI18bNhSM8VZJ0pdgktiZgPOLSVKwcaxagpzcD877V0h1G3LEa8cJmxBBygArh9vMUfBASfl+4D6G9/DUWb54X7B7OC1rI8qIVgtXIQfsHm8kMDyjnXZXaZAOFnXTdRHGJ+FRF Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Introduce a helper function and helper macro to easily clear a VMA's flags using the new vma_flags_t vma->flags field: * vma_clear_flags_mask() - Clears all of the flags in a specified mask in the VMA's flags field. * vma_clear_flags() - Clears all of the specified individual VMA flag bits in a VMA's flags field. Also update the VMA tests to reflect the change. Signed-off-by: Lorenzo Stoakes (Oracle) --- include/linux/mm.h | 16 ++++++++++++++++ tools/testing/vma/include/dup.h | 9 +++++++++ 2 files changed, 25 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index eb1cbb60e63b..4ba1229676ad 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1368,6 +1368,22 @@ static __always_inline void vma_set_flags_mask(struct vm_area_struct *vma, #define vma_set_flags(vma, ...) \ vma_set_flags_mask(vma, mk_vma_flags(__VA_ARGS__)) +/* Helper to clear all VMA flags in a VMA. */ +static __always_inline void vma_clear_flags_mask(struct vm_area_struct *vma, + vma_flags_t flags) +{ + vma_flags_clear_mask(&vma->flags, flags); +} + +/* + * Helper macro for clearing VMA flags, e.g.: + * + * vma_clear_flags(vma, VMA_IO_BIT, VMA_PFNMAP_BIT, VMA_DONTEXPAND_BIT, + * VMA_DONTDUMP_BIT); + */ +#define vma_clear_flags(vma, ...) \ + vma_clear_flags_mask(vma, mk_vma_flags(__VA_ARGS__)) + /* * Test whether a specific VMA flag is set in a VMA descriptor, e.g.: * diff --git a/tools/testing/vma/include/dup.h b/tools/testing/vma/include/dup.h index 36373b81ad24..93ea600d0895 100644 --- a/tools/testing/vma/include/dup.h +++ b/tools/testing/vma/include/dup.h @@ -1065,6 +1065,15 @@ static __always_inline void vma_set_flags_mask(struct vm_area_struct *vma, #define vma_set_flags(vma, ...) \ vma_set_flags_mask(vma, mk_vma_flags(__VA_ARGS__)) +static __always_inline void vma_clear_flags_mask(struct vm_area_struct *vma, + vma_flags_t flags) +{ + vma_flags_clear_mask(&vma->flags, flags); +} + +#define vma_clear_flags(vma, ...) \ + vma_clear_flags_mask(vma, mk_vma_flags(__VA_ARGS__)) + static __always_inline bool vma_desc_test(const struct vm_area_desc *desc, vma_flag_t bit) { -- 2.53.0