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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DC49C4740C for ; Mon, 9 Sep 2019 17:08:38 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E76452089F for ; Mon, 9 Sep 2019 17:08:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tEqQBjJ3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E76452089F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 95C806B000D; Mon, 9 Sep 2019 13:08:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 933666B000E; Mon, 9 Sep 2019 13:08:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 849666B0010; Mon, 9 Sep 2019 13:08:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0141.hostedemail.com [216.40.44.141]) by kanga.kvack.org (Postfix) with ESMTP id 66DC06B000D for ; Mon, 9 Sep 2019 13:08:37 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 16EBE824376D for ; Mon, 9 Sep 2019 17:08:37 +0000 (UTC) X-FDA: 75916016274.26.cake18_8560777087655 X-HE-Tag: cake18_8560777087655 X-Filterd-Recvd-Size: 3734 Received: from mail-pg1-f193.google.com (mail-pg1-f193.google.com [209.85.215.193]) by imf26.hostedemail.com (Postfix) with ESMTP for ; Mon, 9 Sep 2019 17:08:36 +0000 (UTC) Received: by mail-pg1-f193.google.com with SMTP id 4so8141987pgm.12 for ; Mon, 09 Sep 2019 10:08:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=po3z9vVT8yU9vPmX7PJ6RtAkWylGnCZpE16E0o8CVfM=; b=tEqQBjJ3ODXxSMvYG+vcVbfl2luxsciSY2E+CsqLqrqbVjCNyZKwHecdfEmyUpgt3I uha/ukETxtto5BMjuu0dtOR0bYwM3A1N2k9GAforKbjH3v39Y5ea/j9ZpYQ3OCBTtK2j uwwuuHbyjZlL+Bx7dXXGCY658Q/G9QSrYzDYKb3Ns/Sw9adFXQ9rX8iGQvxXsa1RsP88 g7wSH3FezbdWKoyybVGvKS9N5w3eDSsmPRcg5IznZHJC25aPpJlNTgg0dvd5BXWv71qP MdpLYxk3Aa1LfwYDJdCMXY7pgZS9dvze3XMZ/8A4hJesCTjq+iB8TYQ/DG3DsyNNxxEH CB1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=po3z9vVT8yU9vPmX7PJ6RtAkWylGnCZpE16E0o8CVfM=; b=jdgIGNfHpWxt1L3mkOF4N59Ig+8SisPRyvn8Lcv+WM+QfK2EMEo+i+SE0wmfQXFHhO LGPvX/J85KbS4Sv/ADOb0pAobRxAHcTBlmOluldWk1fYDS6A3MBEhQL20bpqWfql7HmF 4DF7o0cWmmy76Qyw9PHnjMuG8Kz18FK7+O2CVGymXGlK66sk2Et4nmRzWenQaaP2pNrB XPuKXlnKWQuc4LOR3+sg2NYurksV2e1JDGEj8POEfd0F4EqKkwEL09Yph3KASPbHXjiR Kp4Xz+cijPA4Y+wlaYXlofs9nAxQv2k08GTVkXQtTexaNpgV5GYqQgYb/dfih8hY5222 LQ7A== X-Gm-Message-State: APjAAAUkE9ou/oJ9VM2cU0jv3JQ3N7HtSjPu9KpmlH1WcmoF265xhAgO 6Ehe/KUZNyVEvvpKKjn5gDc= X-Google-Smtp-Source: APXvYqw8nmtXQB0qB1NLHmAWDmBgZi64O1gEri+HPL1E/k/r0gZ67FyRjZJKK83eJQ2o5MKUrDATJA== X-Received: by 2002:aa7:8d8e:: with SMTP id i14mr3798050pfr.262.1568048915686; Mon, 09 Sep 2019 10:08:35 -0700 (PDT) Received: from localhost.localdomain.localdomain ([2408:823c:c11:160:b8c3:8577:bf2f:3]) by smtp.gmail.com with ESMTPSA id b18sm107015pju.16.2019.09.09.10.08.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Sep 2019 10:08:35 -0700 (PDT) From: Pengfei Li To: akpm@linux-foundation.org Cc: vbabka@suse.cz, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Pengfei Li Subject: [PATCH v2 4/4] mm, slab_common: Make initializing KMALLOC_DMA start from 1 Date: Tue, 10 Sep 2019 01:07:15 +0800 Message-Id: <20190909170715.32545-5-lpf.vector@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190909170715.32545-1-lpf.vector@gmail.com> References: <20190909170715.32545-1-lpf.vector@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: kmalloc_caches[KMALLOC_NORMAL][0] will never be initialized, so the loop should start at 1 instead of 0 Signed-off-by: Pengfei Li --- mm/slab_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slab_common.c b/mm/slab_common.c index d64a64660f86..6b3e526934d9 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1236,7 +1236,7 @@ void __init create_kmalloc_caches(slab_flags_t flag= s) slab_state =3D UP; =20 #ifdef CONFIG_ZONE_DMA - for (i =3D 0; i <=3D KMALLOC_SHIFT_HIGH; i++) { + for (i =3D 1; i <=3D KMALLOC_SHIFT_HIGH; i++) { struct kmem_cache *s =3D kmalloc_caches[KMALLOC_NORMAL][i]; =20 if (s) { --=20 2.21.0