1 files changed, 6 insertions, 2 deletions

diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 2d25ad1526bb..b6fce365ef27 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -1309,15 +1309,19 @@ void graph_trace_open(struct trace_iterator *iter)
 {
         /* pid and depth on the last trace processed */
         struct fgraph_data *data;
+        gfp_t gfpflags;
         int cpu;
 
         iter->private = NULL;
 
-        data = kzalloc(sizeof(*data), GFP_KERNEL);
+        /* We can be called in atomic context via ftrace_dump() */
+        gfpflags = (in_atomic() || irqs_disabled()) ? GFP_ATOMIC : GFP_KERNEL;
+
+        data = kzalloc(sizeof(*data), gfpflags);
         if (!data)
                 goto out_err;
 
-        data->cpu_data = alloc_percpu(struct fgraph_cpu_data);
+        data->cpu_data = alloc_percpu_gfp(struct fgraph_cpu_data, gfpflags);
         if (!data->cpu_data)
                 goto out_err_free;