1*9832fb87SAneesh Kumar K.VWhat: /sys/devices/virtual/memory_tiering/ 2*9832fb87SAneesh Kumar K.VDate: August 2022 3*9832fb87SAneesh Kumar K.VContact: Linux memory management mailing list <linux-mm@kvack.org> 4*9832fb87SAneesh Kumar K.VDescription: A collection of all the memory tiers allocated. 5*9832fb87SAneesh Kumar K.V 6*9832fb87SAneesh Kumar K.V Individual memory tier details are contained in subdirectories 7*9832fb87SAneesh Kumar K.V named by the abstract distance of the memory tier. 8*9832fb87SAneesh Kumar K.V 9*9832fb87SAneesh Kumar K.V /sys/devices/virtual/memory_tiering/memory_tierN/ 10*9832fb87SAneesh Kumar K.V 11*9832fb87SAneesh Kumar K.V 12*9832fb87SAneesh Kumar K.VWhat: /sys/devices/virtual/memory_tiering/memory_tierN/ 13*9832fb87SAneesh Kumar K.V /sys/devices/virtual/memory_tiering/memory_tierN/nodes 14*9832fb87SAneesh Kumar K.VDate: August 2022 15*9832fb87SAneesh Kumar K.VContact: Linux memory management mailing list <linux-mm@kvack.org> 16*9832fb87SAneesh Kumar K.VDescription: Directory with details of a specific memory tier 17*9832fb87SAneesh Kumar K.V 18*9832fb87SAneesh Kumar K.V This is the directory containing information about a particular 19*9832fb87SAneesh Kumar K.V memory tier, memtierN, where N is derived based on abstract distance. 20*9832fb87SAneesh Kumar K.V 21*9832fb87SAneesh Kumar K.V A smaller value of N implies a higher (faster) memory tier in the 22*9832fb87SAneesh Kumar K.V hierarchy. 23*9832fb87SAneesh Kumar K.V 24*9832fb87SAneesh Kumar K.V nodes: NUMA nodes that are part of this memory tier. 25*9832fb87SAneesh Kumar K.V 26