backing_store 66 drivers/gpu/drm/amd/amdkfd/kfd_events.c void *backing_store; backing_store 73 drivers/gpu/drm/amd/amdkfd/kfd_events.c backing_store = (void *) __get_free_pages(GFP_KERNEL, backing_store 75 drivers/gpu/drm/amd/amdkfd/kfd_events.c if (!backing_store) backing_store 79 drivers/gpu/drm/amd/amdkfd/kfd_events.c memset(backing_store, (uint8_t) UNSIGNALED_EVENT_SLOT, backing_store 82 drivers/gpu/drm/amd/amdkfd/kfd_events.c page->kernel_address = backing_store;