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-rw-r--r--include/linux/idr.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 3ade03e5c7af..b235ed987021 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -263,7 +263,8 @@ void ida_destroy(struct ida *ida);
*
* Allocate an ID between 0 and %INT_MAX, inclusive.
*
- * Context: Any context.
+ * Context: Any context. It is safe to call this function without
+ * locking in your code.
* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,
* or %-ENOSPC if there are no free IDs.
*/
@@ -280,7 +281,8 @@ static inline int ida_alloc(struct ida *ida, gfp_t gfp)
*
* Allocate an ID between @min and %INT_MAX, inclusive.
*
- * Context: Any context.
+ * Context: Any context. It is safe to call this function without
+ * locking in your code.
* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,
* or %-ENOSPC if there are no free IDs.
*/
@@ -297,7 +299,8 @@ static inline int ida_alloc_min(struct ida *ida, unsigned int min, gfp_t gfp)
*
* Allocate an ID between 0 and @max, inclusive.
*
- * Context: Any context.
+ * Context: Any context. It is safe to call this function without
+ * locking in your code.
* Return: The allocated ID, or %-ENOMEM if memory could not be allocated,
* or %-ENOSPC if there are no free IDs.
*/