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 1F53FCD4F26 for ; Tue, 23 Jun 2026 06:53:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B40656B0099; Tue, 23 Jun 2026 02:53:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A4F086B009B; Tue, 23 Jun 2026 02:53:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8F1726B009D; Tue, 23 Jun 2026 02:53:11 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 4F8FB6B0099 for ; Tue, 23 Jun 2026 02:53:11 -0400 (EDT) Received: from smtpin08.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id CBBEDA03BD for ; Tue, 23 Jun 2026 06:53:10 +0000 (UTC) X-FDA: 84910260540.08.DCDE4A2 Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) by imf16.hostedemail.com (Postfix) with ESMTP id 358BB180003 for ; Tue, 23 Jun 2026 06:53:09 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="XBL34jN/"; spf=pass (imf16.hostedemail.com: domain of ye.liu@linux.dev designates 95.215.58.181 as permitted sender) smtp.mailfrom=ye.liu@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1782197589; b=0NuuNiGhQPCndnBg6g24jEDu97BPF/N9JHDdDRd9X2NMfmPto6APaW65ReQ3IdNV9ZaVDh otmT1gpXeqfhuwcgWPMDUbRmSUgfCueX46ZiGNy+m1R47FQ6CRUsZE9Nv1F7n+0HJh/jYb FlZu6NjW0to7z4Z9tjbuJJHzSTiVPrA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1782197589; 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=PnQVXXhlo87BIZDTCBURlyy+Enm39l8n0gtQt7vxfgCKFvx/ho8Sevlhmh4Sf9k+nCB4iS aLji7p9qWMzabaA3Rv619Ai/kTW512dhlpOsOoeKX/nUvyigxbwgzF+Xs0sKwHv6W1blhm 7dF+MxjQHof88H+fIdtn/3Z09NYc2rU= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="XBL34jN/"; spf=pass (imf16.hostedemail.com: domain of ye.liu@linux.dev designates 95.215.58.181 as permitted sender) smtp.mailfrom=ye.liu@linux.dev; dmarc=pass (policy=none) header.from=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=1782197588; 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=XBL34jN/J0MbWyvY68b/Ifj4Z/5qfsff1mLFL6RHLh7EOsCk4GV/uMvIVHTHPlys5e2gka /hz6IGYb0UNa39xOyS3ewY7P1y6hcWduQe4s3oy2ks2E79CPW7SS8JFacbcNufvRN9iA7c dEDmZ6h7XouuubyNgxWzFx7GO9EqyPY= 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 6/6] mm/page_owner: drop redundant page_owner prefix from static symbols Date: Tue, 23 Jun 2026 14:52:31 +0800 Message-ID: <20260623065234.31866-7-ye.liu@linux.dev> In-Reply-To: <20260623065234.31866-1-ye.liu@linux.dev> References: <20260623065234.31866-1-ye.liu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 358BB180003 X-Stat-Signature: 3stkz6374oa9umb8t8k8jgsu7nfhjx7g X-HE-Tag: 1782197589-289252 X-HE-Meta: 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 6vtgia6O wMM/RJaJ940ogcyGDMfSCWxWpJCN7XEH5HM/KwnYqq0PKwgXkgzwIcPWMvr2dCKC8xadxivH3dc0aAouwamEh1Ar8bymwUH5YnKi8LLZgfiEwO6TQ4KCW2kKB5ISqFAc9Ivp1RZEMNC8rO6B6jNBluRMEhE1fpyVVBDumhLuIRAK1pH26PNirt/fDupPSwCOwpsqXI0QwlturWqlII33flV8jQa0/OtKeoW901ZhvHC7F6YwFMNBj/3/AOg== 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