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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782869014; 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=/hUCwkjzO8JlsV4HHcqpi2o/7R7QmnmDlK+R08kvU+c=; b=RFUnyybY5cBKFMBKo2t6dLsRz6TC7CcGNjWDFHzURxiNcVo3Qe/vyMnoKfk/4/ghXkSEUN vtmWD8l8Vg6/E9RAQQh3EJX832r7kSR1AT2y0CBtGoneOx810u/xHKx2URIWOLWLpUYe1Z XfzrN5FuAAcG6yXfeyC86sdxgzh4MbI= From: Ye Liu To: Andrew Morton , Vlastimil Babka Cc: Ye Liu , Zi Yan , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 7/7] mm/page_owner: drop redundant page_owner prefix from static symbols Date: Wed, 1 Jul 2026 09:22:33 +0800 Message-ID: <20260701012239.315262-8-ye.liu@linux.dev> In-Reply-To: <20260701012239.315262-1-ye.liu@linux.dev> References: <20260701012239.315262-1-ye.liu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: EE7A5C0005 X-Stat-Signature: wzf3698g3bcd184j7p7hunh3pankf8n6 X-Rspam-User: X-Rspamd-Server: rspam03 X-HE-Tag: 1782869015-48123 X-HE-Meta: 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 tgU1YYxp ve/0152INvtTIS8jBWSGXE8mbbhS0ci6xKNX3lFN/n5sh49sulEVvEkxWonrczu2i0Dc4tfIDIDagcoKYEQEBQ6dZ6JbbpO9CwY/lHW71EAcBLxresvOr7K6uixwBtH9GJ2ek4vZoC3wXVz/caOTo3OCeYqvSgXOmiPTlNkm5D6Etxa679UBaTPSjEXr7OigKvJ+GSI2EX4dzp+n4KCqbRFYPDnDIKJn+QleVgdng+kHww+PVaeZSXgGZRQtsrY66/rEHHABP9sLsCHM++huMV4ATSqGdJnCMVduZ7mxMWABRmqE= 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 Acked-by: Zi Yan Reviewed-by: Vlastimil Babka (SUSE) --- mm/page_owner.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/mm/page_owner.c b/mm/page_owner.c index 84eb44459478..46a933f9c229 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -894,7 +894,7 @@ 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) { @@ -911,7 +911,7 @@ 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) { @@ -933,16 +933,16 @@ 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) { @@ -955,28 +955,26 @@ 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) { @@ -992,17 +990,17 @@ 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