Re: [PATCH v2] device-dax: use fallback nid when numa node is invalid

2021-09-10 Thread Dan Williams
On Fri, Sep 10, 2021 at 5:46 AM Jia He wrote: > > Previously, numa_off was set unconditionally in dummy_numa_init() > even with a fake numa node. Then ACPI sets node id as NUMA_NO_NODE(-1) > after acpi_map_pxm_to_node() because it regards numa_off as turning > off the numa node. Hence dev_dax->tar

[PATCH v2] device-dax: use fallback nid when numa node is invalid

2021-09-10 Thread Jia He
Previously, numa_off was set unconditionally in dummy_numa_init() even with a fake numa node. Then ACPI sets node id as NUMA_NO_NODE(-1) after acpi_map_pxm_to_node() because it regards numa_off as turning off the numa node. Hence dev_dax->target_node is NUMA_NO_NODE on arm64 with fake numa case. W