Kernel infrastructure that reads NUMA (Non-Uniform Memory Access) topology information from ACPI firmware tables, telling Linux which CPUs and memory regions belong to which physical node on multi-socket servers and other systems where memory access latency varies by location.
This is not actually a driver directory; it is shared platform support code that helps the kernel understand memory and CPU locality on NUMA-capable hardware by parsing ACPI firmware tables such as SRAT and SLIT. It underpins scheduling and memory allocation decisions on modern multi-socket servers and is not a candidate for removal.
repository signals
4files
1,804source lines
57commits, 5y
+744 / −321lines added / removed, 5y
24authors, 5y
monthly commits · 2021-04-21 → 2026-04-21 · 57 total · active in 26/61 months
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codex reasoning notes (technical)
Not a driver directory: ACPI NUMA topology/parsing support code for platform memory locality, not a kernel-bound hardware device driver.