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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A258C433EF for ; Tue, 5 Apr 2022 13:59:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 35A438D0002; Tue, 5 Apr 2022 09:58:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 30AFA8D0001; Tue, 5 Apr 2022 09:58:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1D4318D0002; Tue, 5 Apr 2022 09:58:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0149.hostedemail.com [216.40.44.149]) by kanga.kvack.org (Postfix) with ESMTP id 0FDE68D0001 for ; Tue, 5 Apr 2022 09:58:21 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id B874E1837644C for ; Tue, 5 Apr 2022 13:58:10 +0000 (UTC) X-FDA: 79322979540.25.24D0274 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf18.hostedemail.com (Postfix) with ESMTP id 1B64D1C0030 for ; Tue, 5 Apr 2022 13:58:09 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 63FBE618AB; Tue, 5 Apr 2022 13:58:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7481C385A6; Tue, 5 Apr 2022 13:58:06 +0000 (UTC) From: Catalin Marinas To: Will Deacon , Marc Zyngier , Arnd Bergmann , Greg Kroah-Hartman , Andrew Morton , Linus Torvalds Cc: linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Rafael J. Wysocki" Subject: [PATCH 02/10] drivers/base: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN Date: Tue, 5 Apr 2022 14:57:50 +0100 Message-Id: <20220405135758.774016-3-catalin.marinas@arm.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220405135758.774016-1-catalin.marinas@arm.com> References: <20220405135758.774016-1-catalin.marinas@arm.com> MIME-Version: 1.0 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 1B64D1C0030 X-Stat-Signature: y8hfhjrbre7bzdx1kh58yososkdpdkfj Authentication-Results: imf18.hostedemail.com; dkim=none; spf=pass (imf18.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) X-Rspam-User: X-HE-Tag: 1649167089-919738 Content-Transfer-Encoding: quoted-printable 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: ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects alignment. Signed-off-by: Catalin Marinas Cc: Greg Kroah-Hartman Cc: "Rafael J. Wysocki" --- drivers/base/devres.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 864d0b3f566e..0ed39464ad08 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -29,10 +29,10 @@ struct devres { * Some archs want to perform DMA into kmalloc caches * and need a guaranteed alignment larger than * the alignment of a 64-bit integer. - * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same + * Thus we use ARCH_DMA_MINALIGN here and get at least the same * buffer alignment as if it was allocated by plain kmalloc(). */ - u8 __aligned(ARCH_KMALLOC_MINALIGN) data[]; + u8 __aligned(ARCH_DMA_MINALIGN) data[]; }; =20 struct devres_group {