HelenOS sources

sh_info_remove_reference  830 kernel/generic/src/mm/as.c 				sh_info_remove_reference(si);
sh_info_remove_reference  841 kernel/generic/src/mm/as.c 				sh_info_remove_reference(si);
sh_info_remove_reference 1158 kernel/generic/src/mm/as.c 	sh_info_remove_reference(area->sh_info);
sh_info_remove_reference 1278 kernel/generic/src/mm/as.c 		sh_info_remove_reference(sh_info);
HelenOS homepage, sources at GitHub