[PATCH] tracing: fix typo "availabe" in comment

[Hemanth Selam]

Correct "availabe" to "available", reported by scripts/checkpatch.pl using
the misspelling list in scripts/spelling.txt.  Only touches comments, no
code changes.

Assisted-by: Cursor:claude-opus-5
Signed-off-by: Hemanth Selam <hemanth.selam@xxxxxxxxx>
---
 kernel/trace/rethook.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/rethook.c b/kernel/trace/rethook.c
index 5a8bdf88999a..87a27f3aa4a6 100644
--- a/kernel/trace/rethook.c
+++ b/kernel/trace/rethook.c
@@ -171,7 +171,7 @@ struct rethook_node *rethook_try_get(struct rethook *rh)
 	 * This expects the caller will set up a rethook on a function entry.
 	 * When the function returns, the rethook will eventually be reclaimed
 	 * or released in the rethook_recycle() with call_rcu().
-	 * This means the caller must be run in the RCU-availabe context.
+	 * This means the caller must be run in the RCU-available context.
 	 */
 	if (unlikely(!rcu_is_watching()))
 		return NULL;
-- 
2.48.1