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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782784454; 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=DYz0PbzWsvM03L3LLKX12MieEPu/o4Xv6fXc/yHYEgf5KTlkEIG9CNnHubXK4YAMKppAO7 vfIW0oJOcuJMCEoq9mHijuO6ld8w2TCsatGFIDySApKg6pvyIbQT5ZO9M11FfUHKdEIm9p gbXdPJNA2w0N/9upNWhboArd04vx8Zc= 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 v3 7/7] mm/page_owner: drop redundant page_owner prefix from static symbols Date: Tue, 30 Jun 2026 09:53:24 +0800 Message-ID: <20260630015331.147174-8-ye.liu@linux.dev> In-Reply-To: <20260630015331.147174-1-ye.liu@linux.dev> References: <20260630015331.147174-1-ye.liu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 0810C80003 X-Rspam-User: X-Stat-Signature: jxsuqmhdpcwiycptpfnd99rhkr9iy6an X-HE-Tag: 1782784455-922623 X-HE-Meta: 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 WNn6IqwY 3KTlrioTH9FPrRhf3Foqx5IRm12fG1Cp2ivMauUUCSGekG1O4c+H1HPFeKUOkSA2XcNm9XpFqgVdVhScPKMbh7etxsAESzPAURY59inU/whdOyGfCO+98Ooe+8UxSBUrZMyjaBauVZMkavYGyW/ihvnnrbYm7+cxr514QQOvW1KJK0XDz8W2RXjf8BbHw5nnRsuiWyNZFheCx/zYP7epr+r57q6gYUx8eMaPKoQwn4rpfwYhrb7YVtQhqxKTSfUrVUl064ab+fbkIKzlbxttGjrk8zuC3mYWjHsPnzpUeI/RjUGY= 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