UserHeap: allocate needed memory in request_virtual_pages

kernel/src/memory/UserHeap.cpp

@@ -2,6 +2,7 @@
 
 #include "memory/UserHeap.h"
 #include "log/Log.h"
+#include "misc/utils.h"
 #include "std/stdlib.h"
 #include "std/string.h"
 
@@ -137,7 +138,7 @@ allocate:
         }
     }
 
-    if (attempts < 5 && try_expand())
+    if (attempts == 0 && try_expand_size(Utilities::get_blocks_from_size(8, count) + 256))
     {
         attempts++;
         goto allocate;