== sanity test 46: dirtying a previously written page ========================================================================== 09:27:20 (1787837240) 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, 0.0303901 s, 135 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.0370133 s, 111 kB/s 1+0 records in 1+0 records out 4096 bytes (4.1 kB, 4.0 KiB) copied, 0.00575386 s, 712 kB/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