== Before restart == xrestop - Display: :0.0 Monitoring 57 clients. XErrors: 0 Pixmaps: 110205K total, Other: 198K total, All: 110403K total res-base Wins GCs Fnts Pxms Misc Pxm mem Other Total PID Identifier 6c00000 27 33 2 177 2114 67764K 52K 67817K 9161 metacity 4c00000 161 43 1 1097 1389 20473K 38K 20511K 2998 xxxxxxxxxxxxxxxxxxxxxxxx 5200000 52 42 1 182 259 7538K 9K 7548K 3064 xxxxxxxxxxxxxxxxxxxxxxxx 0200000 0 1 0 1 0 6890K 24B 6890K ? 6800000 23 62 1 317 49 5110K 4K 5115K 8200 xxxxxxxxxxxxxxxxxxxxxxxx 5e00000 7 2 0 101 131 1197K 3K 1200K 4441 xxxxxxxxxxxxxxxxxxxxxxxx 5600000 6 158 1 8 30 256K 5K 261K 18041 xxxxxxxxxxxxxxxxxxxxxxxx == after restart == xrestop - Display: :0.0 Monitoring 58 clients. XErrors: 8 Pixmaps: 39543K total, Other: 202K total, All: 39746K total res-base Wins GCs Fnts Pxms Misc Pxm mem Other Total PID Identifier 4c00000 161 43 1 1096 1387 17318K 38K 17357K 2998 xxxxxxxxxxxxxxxxxxxxxxxx 5200000 52 42 1 182 258 7538K 9K 7548K 3064 xxxxxxxxxxxxxxxxxxxxxxxx 0200000 0 1 0 1 0 6890K 24B 6890K ? 6800000 23 62 1 317 48 5110K 4K 5115K 8200 xxxxxxxxxxxxxxxxxxxxxxxx 5e00000 7 2 0 102 132 1198K 3K 1201K 4441 xxxxxxxxxxxxxxxxxxxxxxxx 5600000 6 158 1 8 29 256K 5K 261K 18041 xxxxxxxxxxxxxxxxxxxxxxxx 7400000 28 31 2 4 2186 10B 54K 54K 19621 metacity Difference in number of clients is gedit instance.