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| author | David S. Miller <davem@davemloft.net> | 2017-08-19 21:35:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-19 21:35:44 -0700 |
| commit | 06d0a11f6e4a1f576937758f7fbbbe8ad398e0ef (patch) | |
| tree | d6350b4b468bb9ca5ebb40f73758af26ec36082f /include/uapi/linux/bpf.h | |
| parent | bd76b87962833f6e55264030a227be0f090b1286 (diff) | |
| parent | ad17d0e6c708805bf9e6686eb747cc528b702e67 (diff) | |
Merge branch 'bpf-Allow-selecting-numa-node-during-map-creation'
Martin KaFai Lau says:
====================
bpf: Allow selecting numa node during map creation
This series allows user to pick the numa node during map creation.
The first patch has the details
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/bpf.h')
| -rw-r--r-- | include/uapi/linux/bpf.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 5ecbe812a2cc..843818dff96d 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -165,6 +165,7 @@ enum bpf_attach_type { #define BPF_NOEXIST 1 /* create new element if it didn't exist */ #define BPF_EXIST 2 /* update existing element */ +/* flags for BPF_MAP_CREATE command */ #define BPF_F_NO_PREALLOC (1U << 0) /* Instead of having one common LRU list in the * BPF_MAP_TYPE_LRU_[PERCPU_]HASH map, use a percpu LRU list @@ -173,6 +174,8 @@ enum bpf_attach_type { * across different LRU lists. */ #define BPF_F_NO_COMMON_LRU (1U << 1) +/* Specify numa node during map creation */ +#define BPF_F_NUMA_NODE (1U << 2) union bpf_attr { struct { /* anonymous struct used by BPF_MAP_CREATE command */ @@ -180,8 +183,13 @@ union bpf_attr { __u32 key_size; /* size of key in bytes */ __u32 value_size; /* size of value in bytes */ __u32 max_entries; /* max number of entries in a map */ - __u32 map_flags; /* prealloc or not */ + __u32 map_flags; /* BPF_MAP_CREATE related + * flags defined above. + */ __u32 inner_map_fd; /* fd pointing to the inner map */ + __u32 numa_node; /* numa node (effective only if + * BPF_F_NUMA_NODE is set). + */ }; struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */ |