diff options
| author | Andrea Righi <arighi@nvidia.com> | 2025-02-14 20:40:02 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-02-16 06:52:19 -1000 |
| commit | 16d79f2a4f155b54e7580563c6c03832506b3b09 (patch) | |
| tree | 55761d45346822a1b55d663b6751be229f5fe9a7 /include/linux | |
| parent | 14a8262f505bc4478c50e66309057bc0d0d4b62e (diff) | |
mm/numa: Introduce nearest_node_nodemask()
Introduce the new helper nearest_node_nodemask() to find the closest
node in a specified nodemask from a given starting node.
Returns MAX_NUMNODES if no node is found.
Suggested-by: Yury Norov [NVIDIA] <yury.norov@gmail.com>
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Acked-by: Yury Norov [NVIDIA] <yury.norov@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/numa.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/numa.h b/include/linux/numa.h index 31d8bf8a951a..e6baaf6051bc 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -31,6 +31,8 @@ void __init alloc_offline_node_data(int nid); /* Generic implementation available */ int numa_nearest_node(int node, unsigned int state); +int nearest_node_nodemask(int node, nodemask_t *mask); + #ifndef memory_add_physaddr_to_nid int memory_add_physaddr_to_nid(u64 start); #endif @@ -47,6 +49,11 @@ static inline int numa_nearest_node(int node, unsigned int state) return NUMA_NO_NODE; } +static inline int nearest_node_nodemask(int node, nodemask_t *mask) +{ + return NUMA_NO_NODE; +} + static inline int memory_add_physaddr_to_nid(u64 start) { return 0; |