From nobody Sun Feb 8 17:43:19 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBA5118EFE8 for ; Thu, 8 Aug 2024 14:21:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723126884; cv=none; b=UMIf75m6LgsH1hAehRF6U2MPgEaBTqF8nC2jUoKU1EYr1NnKGaz+ZEHp86uQLHsdg/j8R/lLiPuDT4rheInclu9brK6JMdiAyg9yBRSo2DWX95PbUOwtrWi8vezzvFUBU8l4wIuRjS8DZ0b8RwIhnk2ia69KcxEMoLnl1rvM/FM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723126884; c=relaxed/simple; bh=+cFkbbgK/44VSnlXOWVc8XdxtHti1L8Hcpt4FRMHFd4=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=gJs3amc6yaqS8voxSCXT1Hwj6K+NpsmGh4oGYlRJ3n0vJ++QeVolljlHLMxrfCwazROfecQnnufHhN15cqyYuRmLMl6HikYpeSnv+bc63kdkZR24VyABDFhmBAVAv7eeOPa71KZ5JyA/nsuM7aYL7WqeS3nzDUaNgAuHZHNrFY4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id D869DC4AF48; Thu, 8 Aug 2024 14:21:23 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.98) (envelope-from ) id 1sc416-00000000BTU-3X1y; Thu, 08 Aug 2024 10:21:24 -0400 Message-ID: <20240808142124.703952456@goodmis.org> User-Agent: quilt/0.68 Date: Thu, 08 Aug 2024 10:20:45 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Jianhui Zhou <912460177@qq.com> Subject: [for-linus][PATCH 8/9] ring-buffer: Remove unused function ring_buffer_nr_pages() References: <20240808142037.495820579@goodmis.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Jianhui Zhou <912460177@qq.com> Because ring_buffer_nr_pages() is not an inline function and user accesses buffer->buffers[cpu]->nr_pages directly, the function ring_buffer_nr_pages is removed. Signed-off-by: Jianhui Zhou <912460177@qq.com> Link: https://lore.kernel.org/tencent_F4A7E9AB337F44E0F4B858D07D19EF460708@= qq.com Signed-off-by: Steven Rostedt (Google) --- include/linux/ring_buffer.h | 1 - kernel/trace/ring_buffer.c | 12 ------------ 2 files changed, 13 deletions(-) diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 96d2140b471e..fd35d4ec12e1 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -193,7 +193,6 @@ void ring_buffer_set_clock(struct trace_buffer *buffer, void ring_buffer_set_time_stamp_abs(struct trace_buffer *buffer, bool abs); bool ring_buffer_time_stamp_abs(struct trace_buffer *buffer); =20 -size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu); size_t ring_buffer_nr_dirty_pages(struct trace_buffer *buffer, int cpu); =20 struct buffer_data_read_page; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 28853966aa9a..cebd879a30cb 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -692,18 +692,6 @@ u64 ring_buffer_event_time_stamp(struct trace_buffer *= buffer, return ts; } =20 -/** - * ring_buffer_nr_pages - get the number of buffer pages in the ring buffer - * @buffer: The ring_buffer to get the number of pages from - * @cpu: The cpu of the ring_buffer to get the number of pages from - * - * Returns the number of pages used by a per_cpu buffer of the ring buffer. - */ -size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu) -{ - return buffer->buffers[cpu]->nr_pages; -} - /** * ring_buffer_nr_dirty_pages - get the number of used pages in the ring b= uffer * @buffer: The ring_buffer to get the number of pages from --=20 2.43.0