From nobody Mon Sep 15 11:10:08 2025 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 CAE15C54EBD for ; Fri, 13 Jan 2023 03:21:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232536AbjAMDVP (ORCPT ); Thu, 12 Jan 2023 22:21:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232125AbjAMDVB (ORCPT ); Thu, 12 Jan 2023 22:21:01 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 063C7564CF for ; Thu, 12 Jan 2023 19:20:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1673580017; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=285BkZEBCnAc+7uwK4L/HsvDVOrMR6yTW3lbxZ2Ub9M=; b=QzZAg26UrDXJ8G5YxvNog7k20SEnKmPBJIZTKb3mTX9RjyC4II2mILmMyKEhKMte1vLyA3 1uhUAKNPo58IRtDl2VpMY3PCV7xPY2GUxHKInWuG1rhAz1zdYkS0sjOI9lpo81hwS9VAha ew1Rz/ruJFre57+oQ+YG3nG13U87WOY= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-141-u4nw0xOlNvOayULRaj1xFA-1; Thu, 12 Jan 2023 22:20:13 -0500 X-MC-Unique: u4nw0xOlNvOayULRaj1xFA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D52B9101A521; Fri, 13 Jan 2023 03:20:12 +0000 (UTC) Received: from fedora.redhat.com (ovpn-12-229.pek2.redhat.com [10.72.12.229]) by smtp.corp.redhat.com (Postfix) with ESMTP id 724094078903; Fri, 13 Jan 2023 03:20:08 +0000 (UTC) From: Baoquan He To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, urezki@gmail.com, lstoakes@gmail.com, stephen.s.brennan@oracle.com, willy@infradead.org, akpm@linux-foundation.org, hch@infradead.org, Baoquan He Subject: [PATCH v3 7/7] sh: mm: set VM_IOREMAP flag to the vmalloc area Date: Fri, 13 Jan 2023 11:19:21 +0800 Message-Id: <20230113031921.64716-8-bhe@redhat.com> In-Reply-To: <20230113031921.64716-1-bhe@redhat.com> References: <20230113031921.64716-1-bhe@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Currently, for vmalloc areas with flag VM_IOREMAP set, except of the specific alignment clamping in __get_vm_area_node(), they will be 1) Shown as ioremap in /proc/vmallocinfo; 2) Ignored by /proc/kcore reading via vread() So for the ioremap in __sq_remap() of sh, we should set VM_IOREMAP in flag to make it handled correctly as above. Signed-off-by: Baoquan He Reviewed-by: Lorenzo Stoakes Reviewed-by: Uladzislau Rezki (Sony) --- arch/sh/kernel/cpu/sh4/sq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index a76b94e41e91..27f2e3da5aa2 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c @@ -103,7 +103,7 @@ static int __sq_remap(struct sq_mapping *map, pgprot_t = prot) #if defined(CONFIG_MMU) struct vm_struct *vma; =20 - vma =3D __get_vm_area_caller(map->size, VM_ALLOC, map->sq_addr, + vma =3D __get_vm_area_caller(map->size, VM_IOREMAP, map->sq_addr, SQ_ADDRMAX, __builtin_return_address(0)); if (!vma) return -ENOMEM; --=20 2.34.1