D45045.diff
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	diff --git a/sys/sys/malloc.h b/sys/sys/malloc.h
	--- a/sys/sys/malloc.h
	+++ b/sys/sys/malloc.h
	@@ -60,8 +60,9 @@
	#define M_BESTFIT 0x2000 /* only for vmem, low fragmentation */
	#define M_EXEC 0x4000 /* allocate executable space */
	#define M_NEXTFIT 0x8000 /* only for vmem, follow cursor */
	+#define M_NEVERFREED 0x10000 /* chunk will never get freed */

	-#define M_VERSION 2020110501
	+#define M_VERSION 2024073001

	/*
	* Two malloc type structures are present: malloc_type, which is used by a
	diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c
	--- a/sys/vm/uma_core.c
	+++ b/sys/vm/uma_core.c
	@@ -1791,6 +1791,9 @@
	if (keg->uk_flags & UMA_ZONE_NODUMP)
	aflags \|= M_NODUMP;

	+ if (keg->uk_flags & UMA_ZONE_NOFREE)
	+ aflags \|= M_NEVERFREED;
	+
	/* zone is passed for legacy reasons. */
	size = keg->uk_ppera * PAGE_SIZE;
	mem = keg->uk_allocf(zone, size, domain, &sflags, aflags);