19832fb87SAneesh Kumar K.VWhat: /sys/devices/virtual/memory_tiering/ 29832fb87SAneesh Kumar K.VDate: August 2022 39832fb87SAneesh Kumar K.VContact: Linux memory management mailing list <linux-mm@kvack.org> 49832fb87SAneesh Kumar K.VDescription: A collection of all the memory tiers allocated. 59832fb87SAneesh Kumar K.V 69832fb87SAneesh Kumar K.V Individual memory tier details are contained in subdirectories 79832fb87SAneesh Kumar K.V named by the abstract distance of the memory tier. 89832fb87SAneesh Kumar K.V 99832fb87SAneesh Kumar K.V /sys/devices/virtual/memory_tiering/memory_tierN/ 109832fb87SAneesh Kumar K.V 119832fb87SAneesh Kumar K.V 129832fb87SAneesh Kumar K.VWhat: /sys/devices/virtual/memory_tiering/memory_tierN/ 13*27d676a1SHuang Ying /sys/devices/virtual/memory_tiering/memory_tierN/nodelist 149832fb87SAneesh Kumar K.VDate: August 2022 159832fb87SAneesh Kumar K.VContact: Linux memory management mailing list <linux-mm@kvack.org> 169832fb87SAneesh Kumar K.VDescription: Directory with details of a specific memory tier 179832fb87SAneesh Kumar K.V 189832fb87SAneesh Kumar K.V This is the directory containing information about a particular 199832fb87SAneesh Kumar K.V memory tier, memtierN, where N is derived based on abstract distance. 209832fb87SAneesh Kumar K.V 219832fb87SAneesh Kumar K.V A smaller value of N implies a higher (faster) memory tier in the 229832fb87SAneesh Kumar K.V hierarchy. 239832fb87SAneesh Kumar K.V 24*27d676a1SHuang Ying nodelist: NUMA nodes that are part of this memory tier. 259832fb87SAneesh Kumar K.V 26