add as-extra for softplus/leaky_relu/softmax (#35493)

paddle/fluid/operators/activation_op.cc

@@ -415,7 +415,8 @@ class LeakyReluOpMaker : public framework::OpProtoAndCheckerMaker {
         .SetDefault(0.02f);
     AddAttr<bool>("use_mkldnn",
                   "(bool, default false) Only used in mkldnn kernel")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddComment(R"DOC(
 LeakyRelu Activation Operator.
 
@@ -439,11 +440,13 @@ class SoftplusOpMaker : public framework::OpProtoAndCheckerMaker {
         .SetDefault(20.0f);
     AddAttr<bool>("use_mkldnn",
                   "(bool, default false) Only used in mkldnn kernel.")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddAttr<bool>(
         "use_cudnn",
         "(bool, default false) Only used in cudnn kernel, need install cudnn.")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddComment(R"DOC(
 :strong:`Softplus Activation Operator`
 

paddle/fluid/operators/softmax_op.cc

@@ -110,7 +110,8 @@ class SoftmaxOpMaker : public framework::OpProtoAndCheckerMaker {
     AddAttr<bool>(
         "use_cudnn",
         "(bool, default false) Only used in cudnn kernel, need install cudnn")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddAttr<std::string>(
         "data_format",
         "(string, default NCHW) Only used in "
@@ -120,16 +121,19 @@ class SoftmaxOpMaker : public framework::OpProtoAndCheckerMaker {
         .SetDefault("AnyLayout");
     AddAttr<bool>("use_mkldnn",
                   "(bool, default false) Only used in mkldnn kernel")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddAttr<std::string>(
         "mkldnn_data_type",
         "(string, default \"float32\"). Data type of mkldnn kernel")
         .SetDefault("float32")
-        .InEnum({"float32", "bfloat16"});
+        .InEnum({"float32", "bfloat16"})
+        .AsExtra();
     AddAttr<bool>("is_test",
                   "(bool, default false) Set to true for inference only, false "
                   "for training. Some layers may run faster when this is true.")
-        .SetDefault(false);
+        .SetDefault(false)
+        .AsExtra();
     AddComment(R"DOC(
 Softmax Operator.