Received: by 2002:ac0:e350:0:0:0:0:0 with SMTP id g16csp205127imn; Wed, 3 Aug 2022 00:02:08 -0700 (PDT) X-Google-Smtp-Source: AGRyM1sX0zP6Orhjvm+lhZKzcFRss/02F3/qNw8Qtj/0RnrHtZBPQn1kFB39/x5YN4W4gczq1vhu X-Received: by 2002:a05:6a00:10c5:b0:52b:e9a7:c4e8 with SMTP id d5-20020a056a0010c500b0052be9a7c4e8mr24812173pfu.79.1659510128320; Wed, 03 Aug 2022 00:02:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1659510128; cv=none; d=google.com; s=arc-20160816; b=X9Smb60mx7GiUX9WWj0iD3hvb/upLixakEhe577qrSY1tSBKs25M3umDpi5q+OpXeV 5JUBv83b7IELckUZLPlYXNrlTGAsmaJLQ5ZRKjKSPnxtmvRUKgCl7wzX8QnRDhzX691D ESMkAfF/ci1B1MJl2WePBzhkn+976wfuLLsMAloTUdui3my7Kj9AMZa1oNFHNNRBAYc0 VvLa4kP5hd1v0xh7CHnsEc0XMEJPE2j9hjUhElFzMPqcrHw/l4IAd3Kd8uY+0MYtsK0I BkDcizWDw55wdJ5BPsZ7pcUjTUt6PbOgYu3g3to9v+uJl+SfuFB5oxab5taWfTsATrjp LcTQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from; bh=Q9PMItJ033bgeIr64BXsB45rIfhT1dvuW74hA2u3H3Y=; b=ZF2Di23eFO32j+CU04Mgjg1IQkvkZQssyocEAVbxnPHvJ30bnWc1h0Js3hEtEH4q+q X1ikX5wDyjSdeYT7Uqh8vYwr0k8K00iXwC+GhIFM9UGgGSJLqLnF1vMSxw1E3XmvquTM aJf4AO3ahJuKOBJdm0yJ8ceyZBFWV6WLWbsW7zV5A4z3l+q0MQOATbgpqgz2q/6hJohc q79y8pZC5ZNnBVPWGKUCz3UI0GzfsdLGL4Xd2rjrCcvlGYcBY0STsDY28ExS0NYxxSMz bdd59pvDhhNj0l5SHWvYbCCy9mMkKndKg4xliWGzXDHPgabc8Q+/puBXkyOrTYWtzs6p VB2Q== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id g5-20020a170902934500b0016ef52684f8si1532798plp.323.2022.08.03.00.01.52; Wed, 03 Aug 2022 00:02:08 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237331AbiHCGll (ORCPT + 99 others); Wed, 3 Aug 2022 02:41:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233734AbiHCGlb (ORCPT ); Wed, 3 Aug 2022 02:41:31 -0400 Received: from mail.nfschina.com (unknown [IPv6:2400:dd01:100f:2:72e2:84ff:fe10:5f45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 1401A39BBC for ; Tue, 2 Aug 2022 23:41:29 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mail.nfschina.com (Postfix) with ESMTP id A0B491E80D25; Wed, 3 Aug 2022 14:40:37 +0800 (CST) X-Virus-Scanned: amavisd-new at test.com Received: from mail.nfschina.com ([127.0.0.1]) by localhost (mail.nfschina.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cWoKKGcMRh8W; Wed, 3 Aug 2022 14:40:35 +0800 (CST) Received: from localhost.localdomain (unknown [219.141.250.2]) (Authenticated sender: kunyu@nfschina.com) by mail.nfschina.com (Postfix) with ESMTPA id 039B71E80CEA; Wed, 3 Aug 2022 14:40:35 +0800 (CST) From: Li kunyu To: akpm@linux-foundation.org, linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Li kunyu Subject: [PATCH] page_alloc: remove inactive initialization Date: Wed, 3 Aug 2022 14:41:18 +0800 Message-Id: <20220803064118.3664-1-kunyu@nfschina.com> X-Mailer: git-send-email 2.18.2 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,RDNS_NONE, SPF_HELO_NONE,SPF_NONE autolearn=no 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 The allocation address of the table pointer variable is first performed in the function, no initialization assignment is required, and no invalid pointer will appear. Signed-off-by: Li kunyu --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index b0bcab50f0a3..38d559e8aee6 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8885,7 +8885,7 @@ void *__init alloc_large_system_hash(const char *tablename, { unsigned long long max = high_limit; unsigned long log2qty, size; - void *table = NULL; + void *table; gfp_t gfp_flags; bool virt; bool huge; -- 2.18.2