From: Gentoo CachyOS overlay
Subject: [PATCH] sched/alt: follow the sched_mm_cid_exit() stable rename

The 6.18.55 stable kernel calls sched_mm_cid_exit(), while PRJC still
provides the old sched_mm_cid_exit_signals() name. The implementation
matches core.c; rename it to match the caller.

--- a/kernel/sched/alt_core.c
+++ b/kernel/sched/alt_core.c
@@ -7497,7 +7497,7 @@
 	task_work_add(curr, work, TWA_RESUME);
 }
 
-void sched_mm_cid_exit_signals(struct task_struct *t)
+void sched_mm_cid_exit(struct task_struct *t)
 {
 	struct mm_struct *mm = t->mm;
 	struct rq *rq;