D27885.id81589.diff
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D27885.id81589.diff
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	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
	@@ -1691,7 +1691,13 @@

	va = (vm_offset_t)mem;
	m = PHYS_TO_VM_PAGE(pmap_kextract(va));
	- pmap_remove(kernel_pmap, va, va + bytes);
	+
	+ /*
	+ * startup_alloc() returns direct-mapped slabs on some platforms. Avoid
	+ * unmapping ranges of the direct map.
	+ */
	+ if (va >= bootstart && va + bytes <= bootmem)
	+ pmap_remove(kernel_pmap, va, va + bytes);
	for (; bytes != 0; bytes -= PAGE_SIZE, m++) {
	#if defined(__aarch64__) \|\| defined(__amd64__) \|\| defined(__mips__) \|\| \
	defined(__riscv) \|\| defined(__powerpc64__)