diff --git a/kaleid/kernel/mm/paging.c b/kaleid/kernel/mm/paging.c
index e34575a..653039d 100644
--- a/kaleid/kernel/mm/paging.c
+++ b/kaleid/kernel/mm/paging.c
@@ -226,9 +226,9 @@ void MmInitPaging(void)
 }
 
 //
-// Get a page from an address
+// Create a page and its parent directories from a virtual (effective) address
 //
-ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
+static ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
 {
     // Select bit from 39 to 47
     register ulong pml4Index = ((ulong)virtualAddr & 0xFF8000000000) >> 39;
@@ -257,7 +257,7 @@ ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
             (pml4_t)((ulong)MmPageMapLevel4[pml4Index] 
                                     | PRESENT
                                     | READWRITE
-                                    | USERMODE * (virtualAddr >= USERSPACE) );
+                                    | USERMODE * (virtualAddr >= (void*)USERSPACE) );
 
         pdp = (pdpe_t *)((ulong)MmPageMapLevel4[pml4Index] & 0xFFFFFFFFFF000);
         //DebugLog("\tCreate PDP at %p\n", MmPageMapLevel4[pml4Index]);
@@ -276,7 +276,7 @@ ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
         pdp[pdpIndex] = (pdpe_t)((ulong)pdp[pdpIndex]
                                     | PRESENT
                                     | READWRITE
-                                    | USERMODE * (virtualAddr >= USERSPACE) );
+                                    | USERMODE * (virtualAddr >= (void*)USERSPACE) );
 
         pd = (pde_t *)((ulong)pdp[pdpIndex] & 0xFFFFFFFFFF000);
         //DebugLog("\tCreate PD at %p\n", (ulong)pdp[pdpIndex]);
@@ -295,7 +295,7 @@ ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
         pd[pdIndex] = (pde_t)((ulong)pd[pdIndex]
                                     | PRESENT
                                     | READWRITE
-                                    | USERMODE * (virtualAddr >= USERSPACE) );
+                                    | USERMODE * (virtualAddr >= (void*)USERSPACE) );
 
         pt = (pte_t *)((ulong)pd[pdIndex] & 0xFFFFFFFFFF000);
         //DebugLog("\tCreate PT at %p\n", (ulong)pd[pdIndex]);