D38180.diff
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	diff --git a/sys/kern/kern_kthread.c b/sys/kern/kern_kthread.c
	--- a/sys/kern/kern_kthread.c
	+++ b/sys/kern/kern_kthread.c
	@@ -296,7 +296,7 @@

	thread_cow_get_proc(newtd, p);

	- /* this code almost the same as create_thread() in kern_thr.c */
	+ /* This code is similar to thread_create() in kern_thr.c. */
	p->p_flag \|= P_HADTHREADS;
	thread_link(newtd, p);
	thread_lock(oldtd);
	diff --git a/sys/sys/proc.h b/sys/sys/proc.h
	--- a/sys/sys/proc.h
	+++ b/sys/sys/proc.h
	@@ -258,7 +258,7 @@
	u_char td_base_ithread_pri; /* (t) Base ithread pri */
	struct kmsan_td td_kmsan; / (k) KMSAN state */

	-/* Cleared during fork1() */
	+/* Cleared during fork1(), thread_create(), or kthread_add(). */
	#define td_startzero td_flags
	int td_flags; /* (t) TDF_* flags. */
	int td_ast; /* (t) TDA_* indicators */
	@@ -324,7 +324,7 @@
	u_int td_ucredref; /* (k) references on td_realucred */
	#define td_endzero td_sigmask

	-/* Copied during fork1() or create_thread(). */
	+/* Copied during fork1(), thread_create(), or kthread_add(). */
	#define td_startcopy td_endzero
	sigset_t td_sigmask; /* (c) Current signal mask. */
	u_char td_rqindex; /* (t) Run queue index. */
	@@ -344,7 +344,7 @@
	#define td_endcopy td_pcb

	/*
	- * Fields that must be manually set in fork1() or create_thread()
	+ * Fields that must be manually set in fork1(), thread_create(), kthread_add(),
	* or already have been set in the allocator, constructor, etc.
	*/
	struct pcb td_pcb; / (k) Kernel VA of pcb and kstack. */