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bh=yf8UeWDRzlFUhfaCSIXW0vSnsYH1u1H+pSaVUFMvrEs=; b=fMaMHv+5nKPZiGF4ho0QFIDVXcgn7ewSjOVGuaERlU0X3WM8Pgc6520+GoJQ8NkhaU+2L0 cIYgGOH5l0woqYa1idgMQZxjCFpCQhqYosItXgSybSWyCTm3EtdsE12bQv81pPiit8D37I 4OAKxtHEHDJWRTTOqKxUW2ObFTlTOuM= 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-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: E03748000A X-Rspam-User: X-Stat-Signature: anrrq5tpabb6dbdd3ig46g5uyopbdr6x X-HE-Tag: 1675242869-468809 X-HE-Meta: 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 +nTOL9xs 5lg1D6f3VdoSYsx4PoRJqSIbcw8ko1/u8rqRtGVSjphCFSVLdbcr3aBF8HASa/5Zy0L7bU9w5HXmM+x9E1s3h0if7er7S349Fq5bIvm9S8/k/a8uwrInKdgletSqb5wY7pD/nx9aLUS00vDziMUr7uJq4j5KBDP9E6LPawvekcPVA9860Wbx5SliDqOd6yD8yv5h7HZsqo8f/Lm1xkwK9PNrLvDYw4AyHdGc+0TkF248mTHHE+dld0nw918jYnxPmfFZsJjU5FINF+bc= 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;