pre_patch_callback 31 lib/livepatch/test_klp_callbacks_demo.c static int pre_patch_callback(struct klp_object *obj) pre_patch_callback 31 lib/livepatch/test_klp_callbacks_demo2.c static int pre_patch_callback(struct klp_object *obj) pre_patch_callback 108 samples/livepatch/livepatch-callbacks-demo.c static int pre_patch_callback(struct klp_object *obj)