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ring-buffer: Remove trace_buffer::cpus

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The 'cpus' field in struct trace_buffer became useless in commit
8e7b58c27b ("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: 8e7b58c27b ("ring-buffer: Just update the subbuffers when changing their allocation order")
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Vincent Donnefort 2026-08-13 14:11:50 +01:00 committed by Steven Rostedt
parent 472ac478b1
commit d9b5e22bf2
1 changed files with 0 additions and 2 deletions
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2
kernel/trace/ring_buffer.c
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@ -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()),