kfd_event_mmap 1921 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c return kfd_event_mmap(process, vma); kfd_event_mmap 1007 drivers/gpu/drm/amd/amdkfd/kfd_priv.h int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma);