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-rw-r--r--kernel/trace/ring_buffer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index f4cc59040ebf..3e86da9b2a09 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2802,6 +2802,7 @@ void *ring_buffer_alloc_read_page(struct ring_buffer *buffer)
2802 2802
2803 return bpage; 2803 return bpage;
2804} 2804}
2805EXPORT_SYMBOL_GPL(ring_buffer_alloc_read_page);
2805 2806
2806/** 2807/**
2807 * ring_buffer_free_read_page - free an allocated read page 2808 * ring_buffer_free_read_page - free an allocated read page
@@ -2814,6 +2815,7 @@ void ring_buffer_free_read_page(struct ring_buffer *buffer, void *data)
2814{ 2815{
2815 free_page((unsigned long)data); 2816 free_page((unsigned long)data);
2816} 2817}
2818EXPORT_SYMBOL_GPL(ring_buffer_free_read_page);
2817 2819
2818/** 2820/**
2819 * ring_buffer_read_page - extract a page from the ring buffer 2821 * ring_buffer_read_page - extract a page from the ring buffer
@@ -2959,6 +2961,7 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
2959 out: 2961 out:
2960 return ret; 2962 return ret;
2961} 2963}
2964EXPORT_SYMBOL_GPL(ring_buffer_read_page);
2962 2965
2963static ssize_t 2966static ssize_t
2964rb_simple_read(struct file *filp, char __user *ubuf, 2967rb_simple_read(struct file *filp, char __user *ubuf,