nr_ref_keep 30 include/linux/vmstat.h unsigned nr_ref_keep; nr_ref_keep 353 include/trace/events/vmscan.h __field(unsigned long, nr_ref_keep) nr_ref_keep 369 include/trace/events/vmscan.h __entry->nr_ref_keep = stat->nr_ref_keep; nr_ref_keep 381 include/trace/events/vmscan.h __entry->nr_ref_keep, __entry->nr_unmap_fail, nr_ref_keep 1276 mm/vmscan.c stat->nr_ref_keep += nr_pages;