== sanity test 46: dirtying a previously written page ========================================================================== 19:06:20 (1746140780)
vm.dirty_writeback_centisecs = 0
vm.dirty_writeback_centisecs = 0
vm.dirty_ratio = 50
vm.dirty_background_ratio = 25
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00613429 s, 668 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00464393 s, 882 kB/s
1+0 records in
1+0 records out
4096 bytes (4.1 kB) copied, 0.00392365 s, 1.0 MB/s
vm.dirty_writeback_centisecs = 500
vm.dirty_background_ratio = 10
vm.dirty_ratio = 20