From patchwork Tue Oct 15 04:51:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 11189705 X-Patchwork-Delegate: paulburton@kernel.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CF65F139A for ; Tue, 15 Oct 2019 04:51:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B9EB52089C for ; Tue, 15 Oct 2019 04:51:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727099AbfJOEv4 (ORCPT ); Tue, 15 Oct 2019 00:51:56 -0400 Received: from mail.loongson.cn ([114.242.206.163]:45636 "EHLO mail.loongson.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726825AbfJOEv4 (ORCPT ); Tue, 15 Oct 2019 00:51:56 -0400 Received: from linux.loongson.cn (unknown [10.20.41.27]) by mail (Coremail) with SMTP id QMiowPDxj19kUKVdhuYQAA--.22S2; Tue, 15 Oct 2019 12:51:48 +0800 (CST) From: Tiezhu Yang To: paul.burton@mips.com, ralf@linux-mips.org, jhogan@kernel.org, chenhc@lemote.com Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] MIPS: Loongson: Make default kernel log buffer size as 256KB for Loongson3 Date: Tue, 15 Oct 2019 12:51:41 +0800 Message-Id: <1571115101-22464-1-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 X-CM-TRANSID: QMiowPDxj19kUKVdhuYQAA--.22S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZr1rXF45Ar4rtr1kury5twb_yoWDAFX_Jr W2kw18Ww45JrW7uw4xZa1rWr4UZa45Z3WrCr17XrW7Xayakr15Jw4Dtr4UG3Z8ua1qyr4f Z3ykJF92kF1IqjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb4AYjsxI4VWDJwAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_JFC_Wr1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I 8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AKxVW8JVWxJw Am72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lF7xvr2IYc2Ij64vIr40E4x8a 64kEw24l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67 AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIY rxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14 v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVW3JVWrJr1lIxAIcVC2z280aVAFwI0_Jr0_ Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU0nFxU UUUUU== X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org When I update kernel with loongson3_defconfig based on the Loongson 3A3000 platform, then using dmesg command to show kernel ring buffer, the initial kernel messages have disappeared due to the log buffer is too small, it is better to change the default kernel log buffer size from 16KB to 256KB. Signed-off-by: Tiezhu Yang --- v2: modify the default kernel log buffer size to 256KB suggested by Huacai arch/mips/configs/loongson3_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig index 90ee008..4f750e6 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -12,7 +12,7 @@ CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y CONFIG_TASK_IO_ACCOUNTING=y -CONFIG_LOG_BUF_SHIFT=14 +CONFIG_LOG_BUF_SHIFT=18 CONFIG_MEMCG=y CONFIG_MEMCG_SWAP=y CONFIG_BLK_CGROUP=y