diff options
| -rw-r--r-- | kernel/trace/ring_buffer.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 515be03e3009..966128f02121 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1164,6 +1164,11 @@ 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; /* |