<def f='src/src/sys/external/bsd/drm2/include/linux/kref.h' l='75' ll='93' type='int kref_sub(struct kref * kref, unsigned int count, void (*)(struct kref *) release)'/>
<use f='src/src/sys/external/bsd/drm2/include/linux/kref.h' l='99' u='c' c='kref_put'/>
<use f='src/src/sys/external/bsd/drm2/dist/drm/ttm/ttm_bo.c' l='233' u='c' c='ttm_bo_list_ref_sub'/>
