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bh=yf8UeWDRzlFUhfaCSIXW0vSnsYH1u1H+pSaVUFMvrEs=; b=bqEgkJZVIjS17RC1hoxneMtUYn/+8ZsoznL3D3RcKWvMwx+gpaDiRZzp9WZ4H7tkPBFV6a xUMeI7f25XN3Onc6tz5FaMOwMfSe/238C2lChSyQzO/ALoQMI/opXdqfMWtHTohfgQ6KFj f4y/b+KF805Vc19RLka92VgcU5C2nFo= 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-128-6zunQOeMP6WEHO3AFKzI_w-1; Mon, 06 Feb 2023 03:41:01 -0500 X-MC-Unique: 6zunQOeMP6WEHO3AFKzI_w-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 54393100F907; Mon, 6 Feb 2023 08:41:01 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-71.pek2.redhat.com [10.72.12.71]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6B3632166B29; Mon, 6 Feb 2023 08:40:57 +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, error27@gmail.com, Baoquan He Subject: [PATCH v5 7/7] sh: mm: set VM_IOREMAP flag to the vmalloc area Date: Mon, 6 Feb 2023 16:40:20 +0800 Message-Id: <20230206084020.174506-8-bhe@redhat.com> In-Reply-To: <20230206084020.174506-1-bhe@redhat.com> References: <20230206084020.174506-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Rspamd-Queue-Id: 4D23C40007 X-Stat-Signature: jk8sy1z5j7gziu9wm86ihc8tzawqoys9 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1675672868-504102 X-HE-Meta: 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 oi+yBU2t ZwY8DWhJyftzl7/6qLOAEYQ3OJlD9puG9R7ggOZPBYM9K8FpJFWPPcnt5uw/bVrb3UDxTZgVdD6/VMVhmkS6WjgOGclUAs9PT/VPX2psASqxm6to1p0OQcJrRHCWp0A3/gdNdm3Wi2jGEztFqJjJJzO5ASpCaT/sV7upvVQ4idagike35aUioYATzMgIjlYjjhJ3ub2L2Wdvzo86uFZc7imqFT/u3xlapXLxK7aLdr6PHTDMzyfiND3vuyzLxlSa7xKUQ 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: 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;