自启动以来，它占用的 RAM 比其他任何东西都多：
Active / Total Objects (% used) : 680608 / 719176 (94.6%)
Active / Total Slabs (% used) : 17390 / 17390 (100.0%)
Active / Total Caches (% used) : 72 / 113 (63.7%)
Active / Total Size (% used) : 78756.64K / 89892.73K (87.6%)
Minimum / Average / Maximum Object : 0.01K / 0.12K / 8.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
212109 211201 99% 0.08K 4159 51 16636K Acpi-State
203776 200343 98% 0.06K 3184 64 12736K kmalloc-64
66682 65275 97% 0.18K 3031 22 12124K vm_area_struct
7974 3826 47% 0.88K 443 18 7088K xfs_inode
8596 5811 67% 0.55K 614 14 4912K radix_tree_node
几个小时后它仍然变得更大：
Active / Total Objects (% used) : 699321 / 782632 (89.4%)
Active / Total Slabs (% used) : 18711 / 18711 (100.0%)
Active / Total Caches (% used) : 72 / 113 (63.7%)
Active / Total Size (% used) : 82030.29K / 95484.77K (85.9%)
Minimum / Average / Maximum Object : 0.01K / 0.12K / 8.00K
OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
243933 222506 91% 0.08K 4783 51 19132K Acpi-State
231104 210673 91% 0.06K 3611 64 14444K kmalloc-64
68574 66749 97% 0.18K 3117 22 12468K vm_area_struct
7218 2706 37% 0.88K 401 18 6416K xfs_inode
8498 8123 95% 0.55K 607 14 4856K radix_tree_node
答案1
问题的原因似乎是超KSM-有关的。目前我手头没有确切的证据，但很有可能。