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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A79D0ECAAD5 for ; Mon, 5 Sep 2022 21:09:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237671AbiIEVJx (ORCPT ); Mon, 5 Sep 2022 17:09:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237896AbiIEVJZ (ORCPT ); Mon, 5 Sep 2022 17:09:25 -0400 Received: from out0.migadu.com (out0.migadu.com [IPv6:2001:41d0:2:267::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 504466557B for ; Mon, 5 Sep 2022 14:09:13 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1662412151; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i+QvTW07XA+L+c+k80OvSUNhWYirWKC1C/9s/Xy3OVY=; b=XC2G9nUXtuhWtEyTfaC8n6A+yQ9xpjcSlFv2sYPA2wJTQOOybIvCvCXup6v8UWAKabZ3Tn 5PKm1aYNHdVdoZqTBj+l7DtBdN6drpIsdc0Cq2DCuXGD/mMWRtgz2t1iWl3KJ9vGQLvUBI A9m81lpA5Bb6ZwjWJZVe/sE2jxivapg= From: andrey.konovalov@linux.dev To: Andrew Morton Cc: Andrey Konovalov , Marco Elver , Alexander Potapenko , Dmitry Vyukov , Andrey Ryabinin , kasan-dev@googlegroups.com, Peter Collingbourne , Evgenii Stepanov , Florian Mayer , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Subject: [PATCH mm v3 22/34] kasan: use virt_addr_valid in kasan_addr_to_page/slab Date: Mon, 5 Sep 2022 23:05:37 +0200 Message-Id: In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrey Konovalov Instead of open-coding the validity checks for addr in kasan_addr_to_page/slab(), use the virt_addr_valid() helper. Reviewed-by: Marco Elver Signed-off-by: Andrey Konovalov --- Changes v1->v2: - This is a new patch. --- mm/kasan/report.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 83f420a28c0b..570f9419b90c 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -208,14 +208,14 @@ static void print_track(struct kasan_track *track, const char *prefix) struct page *kasan_addr_to_page(const void *addr) { - if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory)) + if (virt_addr_valid(addr)) return virt_to_head_page(addr); return NULL; } struct slab *kasan_addr_to_slab(const void *addr) { - if ((addr >= (void *)PAGE_OFFSET) && (addr < high_memory)) + if (virt_addr_valid(addr)) return virt_to_slab(addr); return NULL; } -- 2.25.1