hi all,
i have a question, i looked at my zone information through /proc/zoneinfor, i see that one zone has all the zone_stat_item equal 0. i just do not understand why? and where inside the kernel, it did this stats for each zone?
here's the output of that zone:
Node 0, zone Non-volatile
pages free 209598
min 1097
low 1371
high 1645
scanned 0
spanned 1310720
present 1292800
nr_free_pages 209598
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
protection: (0, 0, 0, 0, 0)
pagesets
cpu: 0
count: 64
high: 186
batch: 31
vm stats threshold: 42
cpu: 1
count: 23
high: 186
batch: 31
vm stats threshold: 42
cpu: 2
count: 0
high: 186
batch: 31
vm stats threshold: 42
cpu: 3
count: 30
high: 186
batch: 31
vm stats threshold: 42
all_unreclaimable: 0
prev_priority: 12
start_pfn: 1048576
inactive_ratio: 6
Thanks,
Sheng
--
Sheng Qiu
Texas A & M University
Room 302 Wisenbaker
email: herbert1984106@xxxxxxxxx
College Station, TX 77843-3259