From d9b5e22bf24d5c82522475306cd332b287ac43bc Mon Sep 17 00:00:00 2001 From: Vincent Donnefort Date: Thu, 13 Aug 2026 14:11:50 +0100 Subject: ring-buffer: Remove trace_buffer::cpus The 'cpus' field in struct trace_buffer became useless in commit 8e7b58c27b3c ("ring-buffer: Just update the subbuffers when changing their allocation order"). Remove it Link: https://patch.msgid.link/20260813131152.3589632-9-vdonnefort@google.com Fixes: 8e7b58c27b3c ("ring-buffer: Just update the subbuffers when changing their allocation order") Signed-off-by: Vincent Donnefort Signed-off-by: Steven Rostedt --- kernel/trace/ring_buffer.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'kernel/trace') diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 2204a121ef7e..f75aafc755bd 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -572,7 +572,6 @@ struct ring_buffer_per_cpu { struct trace_buffer { unsigned flags; - int cpus; atomic_t record_disabled; atomic_t resizing; cpumask_var_t cpumask; @@ -2796,7 +2795,6 @@ static struct trace_buffer *alloc_buffer(unsigned long size, unsigned flags, init_irq_work(&buffer->irq_work.work, rb_wake_up_waiters); init_waitqueue_head(&buffer->irq_work.waiters); - buffer->cpus = nr_cpu_ids; bsize = sizeof(void *) * nr_cpu_ids; buffer->buffers = kzalloc(ALIGN(bsize, cache_line_size()), -- cgit v1.2.3