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D43503.diff
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diff --git a/sys/arm64/include/vmparam.h b/sys/arm64/include/vmparam.h
--- a/sys/arm64/include/vmparam.h
+++ b/sys/arm64/include/vmparam.h
@@ -83,11 +83,13 @@
#define VM_FREEPOOL_DIRECT 1
/*
- * Create one free page lists: VM_FREELIST_DEFAULT is for all physical
- * pages.
+ * Create two free page lists: VM_FREELIST_DMA32 is for physical pages that have
+ * physical addresses below 4G, and VM_FREELIST_DEFAULT is for all other
+ * physical pages.
*/
-#define VM_NFREELIST 1
+#define VM_NFREELIST 2
#define VM_FREELIST_DEFAULT 0
+#define VM_FREELIST_DMA32 1
/*
* When PAGE_SIZE is 4KB, an allocation size of 16MB is supported in order
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D43503: arm64: Add a VM_FREELIST_DMA32 freelist
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