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Diffstat (limited to 'Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers b/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers new file mode 100644 index 000000000..721a05b90 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-mm-memory-tiers @@ -0,0 +1,25 @@ +What: /sys/devices/virtual/memory_tiering/ +Date: August 2022 +Contact: Linux memory management mailing list <linux-mm@kvack.org> +Description: A collection of all the memory tiers allocated. + + Individual memory tier details are contained in subdirectories + named by the abstract distance of the memory tier. + + /sys/devices/virtual/memory_tiering/memory_tierN/ + + +What: /sys/devices/virtual/memory_tiering/memory_tierN/ + /sys/devices/virtual/memory_tiering/memory_tierN/nodelist +Date: August 2022 +Contact: Linux memory management mailing list <linux-mm@kvack.org> +Description: Directory with details of a specific memory tier + + This is the directory containing information about a particular + memory tier, memtierN, where N is derived based on abstract distance. + + A smaller value of N implies a higher (faster) memory tier in the + hierarchy. + + nodelist: NUMA nodes that are part of this memory tier. + |