PROC_KPAGEFLAGS(5) (NAME) /proc/kpageflags - (DESCRIPTION) /proc/kpageflags (Physical Page Frames) . ( 2.6.25 ) ( /proc/pid/pagemap ). : 0 - KPF_LOCKED 1 - KPF_ERROR 2 - KPF_REFERENCED 3 - KPF_UPTODATE 4 - KPF_DIRTY 5 - KPF_LRU 6 - KPF_ACTIVE 7 - KPF_SLAB 8 - KPF_WRITEBACK 9 - KPF_RECLAIM 10 - KPF_BUDDY 11 - KPF_MMAP ( 2.6.31) 12 - KPF_ANON ( 2.6.31) 13 - KPF_SWAPCACHE ( 2.6.31) 14 - KPF_SWAPBACKED ( 2.6.31) 15 - KPF_COMPOUND_HEAD ( 2.6.31) 16 - KPF_COMPOUND_TAIL ( 2.6.31) 17 - KPF_HUGE ( 2.6.31) 18 - KPF_UNEVICTABLE ( 2.6.31) 19 - KPF_HWPOISON ( 2.6.31) 20 - KPF_NOPAGE ( 2.6.31) 21 - KPF_KSM ( 2.6.32) 22 - KPF_THP ( 3.4) 23 - KPF_BALLOON ( 3.18) 24 - KPF_ZERO_PAGE ( 4.0) 25 - KPF_IDLE ( 4.3) 26 - KPF_PGTABLE ( 4.18) Documentation/admin-guide/mm/pagemap.rst . 2.6.29 KPF_WRITEBACK KPF_RECLAIM KPF_BUDDY KPF_LOCKED . /proc/kpageflags CONFIG_PROC_PAGE_MONITOR . (SEE ALSO) proc(5) man-pages PROC_KPAGEFLAGS(5)