== sanity test 46: dirtying a previously written page ========================================================================== 15:01:07 (1790881267) 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, 4.0 KiB) copied, 0.00327717 s, 1.2 MB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00376748 s, 1.1 MB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00113438 s, 3.6 MB/s vm.dirty_writeback_centisecs = 500 vm.dirty_background_ratio = 10 vm.dirty_ratio = 30 vm.dirty_writeback_centisecs = 500 vm.dirty_background_ratio = 10 vm.dirty_ratio = 30