diff options
| author | Uladzislau Rezki (Sony) <urezki@gmail.com> | 2025-04-08 17:15:47 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-05-11 17:48:20 -0700 |
| commit | 4318255091eab6722bea3816bdee09ac7db68035 (patch) | |
| tree | a61c3b9d829455ab73d019229a5a715bd5b586de /mm/vmalloc.c | |
| parent | a40b3fa844b4c29276a228ce878bd427a3149d37 (diff) | |
vmalloc: add for_each_vmap_node() helper
To simplify iteration over vmap-nodes, add the for_each_vmap_node() macro
that iterates over all nodes in a system. It tends to simplify the code.
Link: https://lkml.kernel.org/r/20250408151549.77937-1-urezki@gmail.com
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Christop Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 44b735a4573a..55949360a5cb 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -900,6 +900,11 @@ static struct vmap_node *vmap_nodes = &single; static __read_mostly unsigned int nr_vmap_nodes = 1; static __read_mostly unsigned int vmap_zone_size = 1; +/* A simple iterator over all vmap-nodes. */ +#define for_each_vmap_node(vn) \ + for ((vn) = &vmap_nodes[0]; \ + (vn) < &vmap_nodes[nr_vmap_nodes]; (vn)++) + static inline unsigned int addr_to_node_id(unsigned long addr) { |