diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 39c221454186..36f018b15392 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1136,6 +1136,11 @@ static int __rb_allocate_pages(long nr_pages, struct list_head *pages, int cpu) struct buffer_page *bpage, *tmp; long i; + /* Check if the available memory is there first */ + i = si_mem_available(); + if (i < nr_pages) + return -ENOMEM; + for (i = 0; i < nr_pages; i++) { struct page *page; /*