[PATCH v5 01/10] ring-buffer: Free cpu_buffer::free_page with subbuf_order
Vincent Donnefort <[email protected]>
| Newsgroups | org.kernel.vger.linux-trace-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
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.
Fixes: f9b94daa542a ("ring-buffer: Set new size of the ring buffer sub page")
Reported-by: Sashiko <[email protected]>
Signed-off-by: Vincent Donnefort <[email protected]>
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 2667992f0aa2..a3d28b2e2c94 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);
}
--
2.55.0.691.gc56d675ccc-goog