Correctly set the value of UVM_KMALLOC_THRESHOLD

Author: 0x5459

kernel-open/common/inc/nv-nanos.h

@@ -507,8 +507,8 @@ typedef struct nvidia_event
 #define vmalloc(size)       kmalloc(size, 0)
 #define vzalloc(size)       kzalloc(size, 0)
 #define ksize(p)            objcache_from_object(u64_from_pointer(p), PAGESIZE_2M)->pagesize
-#define is_vmalloc_addr(p)  false
-#define vfree               kfree
+#define is_vmalloc_addr(p)  (objcache_from_object(u64_from_pointer(p), PAGESIZE_2M) == INVALID_ADDRESS)
+#define vfree               NV_KFREE
 
 static inline void *kmalloc(unsigned long size, int flags)
 {

kernel-open/nvidia-uvm/uvm_kvmalloc.h

@@ -41,7 +41,9 @@
 //
 // This is in the header so callers can use it to inform their allocation sizes
 // if they wish.
-#define UVM_KMALLOC_THRESHOLD infinity
+//
+// Default value is 16. See: https://github.com/nanovms/nanos/blob/103518003874e7c8c3cb6e5a93d81fd0f197fde6/src/config.h#L84-L85
+#define UVM_KMALLOC_THRESHOLD 16
 
 NV_STATUS uvm_kvmalloc_init(void);
 void uvm_kvmalloc_exit(void);