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[2620:137:e000::1:20]) by mx.google.com with ESMTP id y64-20020a638a43000000b004b1e9747647si20033277pgd.675.2023.02.01.01.29.04; Wed, 01 Feb 2023 01:29:15 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=LVAVB2lH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232020AbjBAJPa (ORCPT + 99 others); Wed, 1 Feb 2023 04:15:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231760AbjBAJPK (ORCPT ); Wed, 1 Feb 2023 04:15:10 -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 0B5A73CE17 for ; Wed, 1 Feb 2023 01:14:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675242867; 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=yf8UeWDRzlFUhfaCSIXW0vSnsYH1u1H+pSaVUFMvrEs=; b=LVAVB2lHVw6mKb86SQ8WIJeBsLvO+4Gt0kFpV62NfUTRZRctPkgHI6xYJNMcij+objSGcG iTcngLQdI2HvpI6oe1Rb2NC4IV0qce4IaKaVmY8l2fvdhEYiVcufyOUzYuj+kewXKWRcr7 c+otzi3BciwPsKZMXac3OqQ709wioDk= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-81-WDpjG_CZM1Gl0d4Xg9d3Gg-1; Wed, 01 Feb 2023 04:14:24 -0500 X-MC-Unique: WDpjG_CZM1Gl0d4Xg9d3Gg-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8F68F29AB3F3; Wed, 1 Feb 2023 09:14:23 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-13-89.pek2.redhat.com [10.72.13.89]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3DDC8492C3E; Wed, 1 Feb 2023 09:14:17 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org, stephen.s.brennan@oracle.com, urezki@gmail.com, lstoakes@gmail.com, willy@infradead.org, hch@infradead.org, error27@gmail.com, Baoquan He Subject: [PATCH v4 7/7] sh: mm: set VM_IOREMAP flag to the vmalloc area Date: Wed, 1 Feb 2023 17:13:39 +0800 Message-Id: <20230201091339.61761-8-bhe@redhat.com> In-Reply-To: <20230201091339.61761-1-bhe@redhat.com> References: <20230201091339.61761-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756620396712966673?= X-GMAIL-MSGID: =?utf-8?q?1756620396712966673?= 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; - vma = __get_vm_area_caller(map->size, VM_ALLOC, map->sq_addr, + vma = __get_vm_area_caller(map->size, VM_IOREMAP, map->sq_addr, SQ_ADDRMAX, __builtin_return_address(0)); if (!vma) return -ENOMEM;