From patchwork Fri Jun 30 06:22:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 1801690 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QslKN0Ykkz20ZV for ; Fri, 30 Jun 2023 16:10:00 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QslKL3zRJz3c4X for ; Fri, 30 Jun 2023 16:09:58 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=huawei.com (client-ip=45.249.212.187; helo=szxga01-in.huawei.com; envelope-from=wangkefeng.wang@huawei.com; receiver=lists.ozlabs.org) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4QslJc49Q7z305Q for ; Fri, 30 Jun 2023 16:09:17 +1000 (AEST) Received: from dggpemm100001.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4QslDf5ZPszqVmj; Fri, 30 Jun 2023 14:05:54 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm100001.china.huawei.com (7.185.36.93) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 30 Jun 2023 14:08:40 +0800 From: Kefeng Wang To: Andrew Morton Subject: [PATCH v2 1/2] mm: remove arguments of show_mem() Date: Fri, 30 Jun 2023 14:22:52 +0800 Message-ID: <20230630062253.189440-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm100001.china.huawei.com (7.185.36.93) X-CFilter-Loop: Reflected X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kefeng Wang , willy@infradead.org, linux-kernel@vger.kernel.org, Nicholas Piggin , linux-mm@kvack.org, Greg Kroah-Hartman , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" All callers of show_mem() pass 0 and NULL, so we can remove the two arguments by directly calling __show_mem(0, NULL, MAX_NR_ZONES - 1) in show_mem(). Signed-off-by: Kefeng Wang --- v2: update commit log arch/powerpc/xmon/xmon.c | 2 +- drivers/tty/sysrq.c | 2 +- drivers/tty/vt/keyboard.c | 2 +- include/linux/mm.h | 4 ++-- init/initramfs.c | 2 +- kernel/panic.c | 2 +- 6 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index fae747cc57d2..ee17270d35d0 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1084,7 +1084,7 @@ cmds(struct pt_regs *excp) memzcan(); break; case 'i': - show_mem(0, NULL); + show_mem(); break; default: termch = cmd; diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index b6e70c5cfa17..e1df63a88aac 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -342,7 +342,7 @@ static const struct sysrq_key_op sysrq_ftrace_dump_op = { static void sysrq_handle_showmem(int key) { - show_mem(0, NULL); + show_mem(); } static const struct sysrq_key_op sysrq_showmem_op = { .handler = sysrq_handle_showmem, diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index be8313cdbac3..358f216c6cd6 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -606,7 +606,7 @@ static void fn_scroll_back(struct vc_data *vc) static void fn_show_mem(struct vc_data *vc) { - show_mem(0, NULL); + show_mem(); } static void fn_show_state(struct vc_data *vc) diff --git a/include/linux/mm.h b/include/linux/mm.h index eef34f6a0351..ddb140e14f3a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3047,9 +3047,9 @@ extern void mem_init(void); extern void __init mmap_init(void); extern void __show_mem(unsigned int flags, nodemask_t *nodemask, int max_zone_idx); -static inline void show_mem(unsigned int flags, nodemask_t *nodemask) +static inline void show_mem(void) { - __show_mem(flags, nodemask, MAX_NR_ZONES - 1); + __show_mem(0, NULL, MAX_NR_ZONES - 1); } extern long si_mem_available(void); extern void si_meminfo(struct sysinfo * val); diff --git a/init/initramfs.c b/init/initramfs.c index e7a01c2ccd1b..8d0fd946cdd2 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -61,7 +61,7 @@ static void __init error(char *x) } #define panic_show_mem(fmt, ...) \ - ({ show_mem(0, NULL); panic(fmt, ##__VA_ARGS__); }) + ({ show_mem(); panic(fmt, ##__VA_ARGS__); }) /* link hash */ diff --git a/kernel/panic.c b/kernel/panic.c index 10effe40a3fa..07239d4ad81e 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -216,7 +216,7 @@ static void panic_print_sys_info(bool console_flush) show_state(); if (panic_print & PANIC_PRINT_MEM_INFO) - show_mem(0, NULL); + show_mem(); if (panic_print & PANIC_PRINT_TIMER_INFO) sysrq_timer_list_show();