diff options
| author | Vincent Donnefort <vdonnefort@google.com> | 2026-08-13 14:11:43 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2026-08-14 13:12:16 -0400 |
| commit | 234b1a72e9706fe20c08c96f4374ec8e83b934cb (patch) | |
| tree | 30894c34c5687c3da8c8886c515cdc6e95f94c04 /kernel/trace | |
| parent | b16b03ebb39d2b72376a5918ff1d6b367615be78 (diff) | |
ring-buffer: Free cpu_buffer::free_page with subbuf_order
When sub-buffers use an order greater than 0, cpu_buffer->free_page is
allocated with subbuf_order. Use the correct order for
cpu_buffer->free_page.
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260813131152.3589632-2-vdonnefort@google.com
Fixes: f9b94daa542a ("ring-buffer: Set new size of the ring buffer sub page")
Reported-by: Sashiko <sashiko-bot@kernel.org>
Closes: https://sashiko.dev/#/patchset/20260806211306.3704194-1-vdonnefort%40google.com # patch 3
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 8f34ff6fd066..73a3fb76ba4d 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2631,7 +2631,7 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer) free_buffer_page(bpage); } - free_page((unsigned long)cpu_buffer->free_page); + free_pages((unsigned long)cpu_buffer->free_page, cpu_buffer->buffer->subbuf_order); kfree(cpu_buffer); } |