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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D98D7CDE00B for ; Fri, 26 Jun 2026 02:46:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D351A6B00BB; Thu, 25 Jun 2026 22:46:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D0D0E6B00BC; Thu, 25 Jun 2026 22:46:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C499A6B00BD; Thu, 25 Jun 2026 22:46:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 989B56B00BB for ; Thu, 25 Jun 2026 22:46:30 -0400 (EDT) Received: from smtpin05.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 1EB1A120320 for ; Fri, 26 Jun 2026 02:46:30 +0000 (UTC) X-FDA: 84920525340.05.FC018F7 Received: from out-170.mta0.migadu.com (out-170.mta0.migadu.com [91.218.175.170]) by imf12.hostedemail.com (Postfix) with ESMTP id 7323340007 for ; Fri, 26 Jun 2026 02:46:28 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=GnQ4UHJd; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf12.hostedemail.com: domain of ye.liu@linux.dev designates 91.218.175.170 as permitted sender) smtp.mailfrom=ye.liu@linux.dev ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1782441988; b=XjWVv30wY8gEFjyNaM17oIsd8xeFy/we9u5v89lkeFeQ8EAjs/cGlbuSj6xxGMmzceCO0v Gt17bhGdIkw0tBuYlUYPux6Z+Hr7iY5AFTY1duxupUOAhogK9E9Iv3s9OxpHqjSc6JQxKq USx/hQir3M+WP23l+QE+VGbxUxvOfis= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1782441988; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=suDFp7risggw2rtoydgo2giehAA74W5ozQAmjOegSsE=; b=RgAvMqzgy0kXzmv8If5M6TFPcNpI/jf3f27qEWxegzIHyE9GeISyG7SNNLl886ZLHUQv/N C35jjino6DFVwScqhqqILDWZM758SU036l0qGScOQiibeDs9j71O3wdx/UpQMOlzrpSWlC z1XcOW1AGZLE0Y0aZ+TXRBitmC5jwoY= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=GnQ4UHJd; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf12.hostedemail.com: domain of ye.liu@linux.dev designates 91.218.175.170 as permitted sender) smtp.mailfrom=ye.liu@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782441986; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=suDFp7risggw2rtoydgo2giehAA74W5ozQAmjOegSsE=; b=GnQ4UHJdgwwrsGf6BxQRrLYeoKvUTPB3tRA3TJpJsBqXXcW5YlL1dLasdTHj4DvvVixGjw OcRKPM8Qi+i65ld74FbFRBwOkJwODDO9IN/ofSDa3roHGPRqa6ci4ZSJ+vCTB3igCRuqVb RubKS+uHZU5Q3embfL8+xRFAvVi/CkE= From: Ye Liu To: Andrew Morton , Vlastimil Babka Cc: Ye Liu , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 6/6] mm/page_owner: drop redundant page_owner prefix from static symbols Date: Fri, 26 Jun 2026 10:45:45 +0800 Message-ID: <20260626024550.25677-7-ye.liu@linux.dev> In-Reply-To: <20260626024550.25677-1-ye.liu@linux.dev> References: <20260626024550.25677-1-ye.liu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 7323340007 X-Stat-Signature: e1yq3xyzkx3r3ofrhwukc4bnffqijjja X-HE-Tag: 1782441988-191435 X-HE-Meta: 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 TSWl+Icp mspJ4qAS1EJsmXOEnyYm7G9X1guYY7dlxXztwoBmIBgCOkRGG4+ELpr62dsxHiAfhib0cVNDwFsNGdwSzoGJ0efuDctyW8WgoYCopThxBNTQbTXz4SH4wv+lLT1NfQN9wqDbeHJ/c8hAHdLlh12JO8eqHJsHvhZgWXwDA+5CRkZ9Cy17q70aVH8CA1aby3wpBSpFnD6CMPeDUxpGlkFsuizgNJq0amwoznRquPThfx1Sc5Jsp7NSjfqKYHA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: All of these symbols are file-scoped (static) in page_owner.c, so the page_owner_ prefix is pure noise. Rename them to shorter, still-clear names: page_owner_stack_op -> stack_op page_owner_stack_open -> stack_open page_owner_stack_fops -> stack_fops page_owner_pages_threshold -> pages_threshold page_owner_threshold_get -> threshold_get page_owner_threshold_set -> threshold_set page_owner_threshold_fops -> threshold_fops No functional change. Signed-off-by: Ye Liu --- mm/page_owner.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/mm/page_owner.c b/mm/page_owner.c index eaccff355cb4..ec9600025127 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -901,7 +901,7 @@ static void *stack_next(struct seq_file *m, void *v, loff_t *ppos) return stack; } -static unsigned long page_owner_pages_threshold; +static unsigned long pages_threshold; static int stack_print(struct seq_file *m, void *v) { @@ -918,7 +918,7 @@ static int stack_print(struct seq_file *m, void *v) nr_base_pages = refcount_read(&stack_record->count) - 1; if (ctx->flags & STACK_PRINT_FLAG_PAGES && - (nr_base_pages < 1 || nr_base_pages < page_owner_pages_threshold)) + (nr_base_pages < 1 || nr_base_pages < pages_threshold)) return 0; if (ctx->flags & STACK_PRINT_FLAG_STACK) { @@ -940,16 +940,16 @@ static void stack_stop(struct seq_file *m, void *v) { } -static const struct seq_operations page_owner_stack_op = { +static const struct seq_operations stack_op = { .start = stack_start, .next = stack_next, .stop = stack_stop, .show = stack_print }; -static int page_owner_stack_open(struct inode *inode, struct file *file) +static int stack_open(struct inode *inode, struct file *file) { - int ret = seq_open_private(file, &page_owner_stack_op, + int ret = seq_open_private(file, &stack_op, sizeof(struct stack_print_ctx)); if (!ret) { @@ -962,28 +962,27 @@ static int page_owner_stack_open(struct inode *inode, struct file *file) return ret; } -static const struct file_operations page_owner_stack_fops = { - .open = page_owner_stack_open, +static const struct file_operations stack_fops = { + .open = stack_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release_private, }; -static int page_owner_threshold_get(void *data, u64 *val) +static int threshold_get(void *data, u64 *val) { - *val = READ_ONCE(page_owner_pages_threshold); + *val = READ_ONCE(pages_threshold); return 0; } -static int page_owner_threshold_set(void *data, u64 val) +static int threshold_set(void *data, u64 val) { - WRITE_ONCE(page_owner_pages_threshold, val); + WRITE_ONCE(pages_threshold, val); return 0; } -DEFINE_SIMPLE_ATTRIBUTE(page_owner_threshold_fops, &page_owner_threshold_get, - &page_owner_threshold_set, "%llu\n"); - +DEFINE_SIMPLE_ATTRIBUTE(threshold_fops, &threshold_get, + &threshold_set, "%llu\n"); static int __init pageowner_init(void) { @@ -999,17 +998,17 @@ static int __init pageowner_init(void) debugfs_create_file("show_stacks", 0400, dir, (void *)(STACK_PRINT_FLAG_STACK | STACK_PRINT_FLAG_PAGES), - &page_owner_stack_fops); + &stack_fops); debugfs_create_file("show_handles", 0400, dir, (void *)(STACK_PRINT_FLAG_HANDLE | STACK_PRINT_FLAG_PAGES), - &page_owner_stack_fops); + &stack_fops); debugfs_create_file("show_stacks_handles", 0400, dir, (void *)(STACK_PRINT_FLAG_STACK | STACK_PRINT_FLAG_HANDLE), - &page_owner_stack_fops); + &stack_fops); debugfs_create_file("count_threshold", 0600, dir, NULL, - &page_owner_threshold_fops); + &threshold_fops); return 0; } late_initcall(pageowner_init) -- 2.43.0