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_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 71C57C41514 for ; Tue, 3 Sep 2019 16:06:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47E6923774 for ; Tue, 3 Sep 2019 16:06:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="e3t1McXM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730006AbfICQGl (ORCPT ); Tue, 3 Sep 2019 12:06:41 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:35777 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728860AbfICQGk (ORCPT ); Tue, 3 Sep 2019 12:06:40 -0400 Received: by mail-pf1-f194.google.com with SMTP id 205so8613853pfw.2 for ; Tue, 03 Sep 2019 09:06:40 -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=tqiMeM8TceesmPz2bTRikxBBQDBEs3u6ayncNAD+gSk=; b=e3t1McXM+B7+qPx+6xlw63jz2BIyLqfLkwAuPUpZ/KBlMqhABGIuIsh/P2+qg4fL3G e68oPxPeHi8vjpPuXdOVgYVl7iyc9re3mqNsfOKETT5TLTMCJariudPc5aEYUvdJIMIr 8GsII5RUZLQEHyo9d62A4LFpgd69nti5zrZ7Fp+W993mrs8mrA6NQAypayAo89Qeh692 oYxKPcTw6O0k6WJPPZjWHpbXrBkjaz6giJxa+GF34nICobYKGyS0s0tAEw8F6vxQbAFt t6J97R9xlt3Cwo1btDvuXlruov3D0WO6G2ERLjOiOc9McIhcixZ4rT8uvKQxri0cBUNW EbcQ== 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=tqiMeM8TceesmPz2bTRikxBBQDBEs3u6ayncNAD+gSk=; b=T4RjVVqz+Z27kqbOegeiVS7asxunzVlxZMJQjQ/0YR7MF1btP5tD5k2mpgkQnJyUMJ EwILUEHv9WGaoxdka8oS2xBsMLXx/OvT9z5CciPqN3qB8AnoXpnFi8GQrMF52gFax3Go kt9FAzSMuFA5bEokb4eV+/NQwSOK35WXlzCQc0ClUzg5U81ctWYyVOpsxxEUJid0tGHu 0O9s4SuMSOUPq34Ob6gJdfPi6SAJ3mWOxm7KinWTxhA6WEizSMdx0DpNp4Lci+VcvCa+ fWlNR0ADRPzKxtlf1uB05Eaxs5EG9J0xIX1mTdxvjqQy6vReQQoi03f2klYvSbYKU0Pk vUkQ== X-Gm-Message-State: APjAAAUFla/id66/FCcX5gA/EY0VDL9okQl0w19a1vxTXZT/wI4mWTur tvIpRSSTmP3rIjHhn0aGynI= X-Google-Smtp-Source: APXvYqylZr4jbswujqwYAo39xphsMw3eAgJhDESJUjXAsNJEvXeRyMT0McdB5r6QPlWEFyI3l5Gd5g== X-Received: by 2002:a63:2903:: with SMTP id p3mr16265577pgp.306.1567526799745; Tue, 03 Sep 2019 09:06:39 -0700 (PDT) Received: from localhost.localdomain.localdomain ([2408:823c:c11:160:b8c3:8577:bf2f:3]) by smtp.gmail.com with ESMTPSA id t11sm18501567pgb.33.2019.09.03.09.06.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Sep 2019 09:06:39 -0700 (PDT) From: Pengfei Li To: akpm@linux-foundation.org Cc: 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 5/5] mm, slab_common: Make initializing KMALLOC_DMA start from 1 Date: Wed, 4 Sep 2019 00:04:30 +0800 Message-Id: <20190903160430.1368-6-lpf.vector@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190903160430.1368-1-lpf.vector@gmail.com> References: <20190903160430.1368-1-lpf.vector@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 af45b5278fdc..c81fc7dc2946 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1236,7 +1236,7 @@ void __init create_kmalloc_caches(slab_flags_t flags) slab_state = UP; #ifdef CONFIG_ZONE_DMA - for (i = 0; i <= KMALLOC_SHIFT_HIGH; i++) { + for (i = 1; i <= KMALLOC_SHIFT_HIGH; i++) { struct kmem_cache *s = kmalloc_caches[KMALLOC_NORMAL][i]; if (s) { -- 2.21.0