diff options
Diffstat (limited to 'include/linux/node.h')
| -rw-r--r-- | include/linux/node.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/node.h b/include/linux/node.h index bb288817ed33..4139d728f8b3 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -20,6 +20,32 @@ #include <linux/list.h> #include <linux/workqueue.h> +/** + * struct node_hmem_attrs - heterogeneous memory performance attributes + * + * @read_bandwidth: Read bandwidth in MB/s + * @write_bandwidth: Write bandwidth in MB/s + * @read_latency: Read latency in nanoseconds + * @write_latency: Write latency in nanoseconds + */ +struct node_hmem_attrs { + unsigned int read_bandwidth; + unsigned int write_bandwidth; + unsigned int read_latency; + unsigned int write_latency; +}; + +#ifdef CONFIG_HMEM_REPORTING +void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs, + unsigned access); +#else +static inline void node_set_perf_attrs(unsigned int nid, + struct node_hmem_attrs *hmem_attrs, + unsigned access) +{ +} +#endif + struct node { struct device dev; struct list_head access_list; |