diff --git a/vm/bignum.cpp b/vm/bignum.cpp
index 9f85243727..94026ac95f 100755
--- a/vm/bignum.cpp
+++ b/vm/bignum.cpp
@@ -324,8 +324,8 @@ bignum *factor_vm::bignum_remainder(bignum * numerator, bignum * denominator)
 		}
 }
 
-/* Allocates memory */
 /* cell_to_bignum, fixnum_to_bignum, long_long_to_bignum, ulong_long_to_bignum */
+/* Allocates memory */
 #define FOO_TO_BIGNUM(name,type,stype,utype)				\
 bignum * factor_vm::name##_to_bignum(type n)				\
 {									\
diff --git a/vm/data_heap.cpp b/vm/data_heap.cpp
index ddd39d221a..6fa8858f05 100755
--- a/vm/data_heap.cpp
+++ b/vm/data_heap.cpp
@@ -167,6 +167,7 @@ struct object_accumulator {
 	}
 };
 
+/* Allocates memory */
 cell factor_vm::instances(cell type)
 {
 	object_accumulator accum(type);
@@ -174,6 +175,7 @@ cell factor_vm::instances(cell type)
 	return std_vector_to_array(accum.objects);
 }
 
+/* Allocates memory */
 void factor_vm::primitive_all_instances()
 {
 	primitive_full_gc();
diff --git a/vm/factor.cpp b/vm/factor.cpp
index dd9be27774..8a345b9a6c 100755
--- a/vm/factor.cpp
+++ b/vm/factor.cpp
@@ -81,6 +81,7 @@ void factor_vm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **
 }
 
 /* Compile code in boot image so that we can execute the startup quotation */
+/* Allocates memory */
 void factor_vm::prepare_boot_image()
 {
 	std::cout << "*** Stage 2 early init... " << std::flush;
diff --git a/vm/math.cpp b/vm/math.cpp
index af973bf467..309def705f 100755
--- a/vm/math.cpp
+++ b/vm/math.cpp
@@ -474,6 +474,7 @@ double factor_vm::to_double(cell value)
 
 /* The fixnum+, fixnum- and fixnum* primitives are defined in cpu_*.S. On
 overflow, they call these functions. */
+/* Allocates memory */
 inline void factor_vm::overflow_fixnum_add(fixnum x, fixnum y)
 {
 	ctx->replace(tag<bignum>(fixnum_to_bignum(
@@ -485,6 +486,7 @@ VM_C_API void overflow_fixnum_add(fixnum x, fixnum y, factor_vm *parent)
 	parent->overflow_fixnum_add(x,y);
 }
 
+/* Allocates memory */
 inline void factor_vm::overflow_fixnum_subtract(fixnum x, fixnum y)
 {
 	ctx->replace(tag<bignum>(fixnum_to_bignum(
@@ -496,6 +498,7 @@ VM_C_API void overflow_fixnum_subtract(fixnum x, fixnum y, factor_vm *parent)
 	parent->overflow_fixnum_subtract(x,y);
 }
 
+/* Allocates memory */
 inline void factor_vm::overflow_fixnum_multiply(fixnum x, fixnum y)
 {
 	bignum *bx = fixnum_to_bignum(x);
diff --git a/vm/objects.cpp b/vm/objects.cpp
index 4dcf486c07..7c5b7bbfc4 100644
--- a/vm/objects.cpp
+++ b/vm/objects.cpp
@@ -47,6 +47,7 @@ void factor_vm::primitive_set_slot()
 	write_barrier(slot_ptr);
 }
 
+/* Allocates memory */
 cell factor_vm::clone_object(cell obj_)
 {
 	data_root<object> obj(obj_,this);
@@ -63,6 +64,7 @@ cell factor_vm::clone_object(cell obj_)
 	}
 }
 
+/* Allocates memory */
 void factor_vm::primitive_clone()
 {
 	ctx->replace(clone_object(ctx->peek()));
diff --git a/vm/quotations.cpp b/vm/quotations.cpp
index fd8605e1d6..2feddd67bc 100755
--- a/vm/quotations.cpp
+++ b/vm/quotations.cpp
@@ -156,6 +156,7 @@ void quotation_jit::emit_epilog(bool safepoint, bool stack_frame)
 	if(stack_frame) emit(parent->special_objects[JIT_EPILOG]);
 }
 
+/* Allocates memory conditionally */
 void quotation_jit::emit_quot(cell quot_)
 {
 	data_root<quotation> quot(quot_,parent);
@@ -341,6 +342,7 @@ code_block *factor_vm::jit_compile_quot(cell owner_, cell quot_, bool relocating
 	return compiled;
 }
 
+/* Allocates memory */
 void factor_vm::jit_compile_quot(cell quot_, bool relocating)
 {
 	data_root<quotation> quot(quot_,this);
@@ -351,6 +353,7 @@ void factor_vm::jit_compile_quot(cell quot_, bool relocating)
 	}
 }
 
+/* Allocates memory */
 void factor_vm::primitive_jit_compile()
 {
 	jit_compile_quot(ctx->pop(),true);
@@ -361,8 +364,8 @@ void *factor_vm::lazy_jit_compile_entry_point()
 	return untag<word>(special_objects[LAZY_JIT_COMPILE_WORD])->entry_point;
 }
 
-/* Allocates memory */
 /* push a new quotation on the stack */
+/* Allocates memory */
 void factor_vm::primitive_array_to_quotation()
 {
 	quotation *quot = allot<quotation>(sizeof(quotation));
@@ -398,6 +401,7 @@ fixnum factor_vm::quot_code_offset_to_scan(cell quot_, cell offset)
 	return compiler.get_position();
 }
 
+/* Allocates memory */
 cell factor_vm::lazy_jit_compile(cell quot_)
 {
 	data_root<quotation> quot(quot_,this);
@@ -410,6 +414,7 @@ cell factor_vm::lazy_jit_compile(cell quot_)
 	return quot.value();
 }
 
+/* Allocates memory */
 VM_C_API cell lazy_jit_compile(cell quot, factor_vm *parent)
 {
 	return parent->lazy_jit_compile(quot);
@@ -427,11 +432,13 @@ void factor_vm::primitive_quot_compiled_p()
 	ctx->push(tag_boolean(quot_compiled_p(quot.untagged())));
 }
 
+/* Allocates memory */
 cell factor_vm::find_all_quotations()
 {
 	return instances(QUOTATION_TYPE);
 }
 
+/* Allocates memory */
 void factor_vm::initialize_all_quotations()
 {
 	data_root<array> quotations(find_all_quotations(),this);
diff --git a/vm/tuples.cpp b/vm/tuples.cpp
index 8d224c93d5..0721b7fcee 100755
--- a/vm/tuples.cpp
+++ b/vm/tuples.cpp
@@ -3,8 +3,8 @@
 namespace factor
 {
 
-/* Allocates memory */
 /* push a new tuple on the stack, filling its slots with f */
+/* Allocates memory */
 void factor_vm::primitive_tuple()
 {
 	data_root<tuple_layout> layout(ctx->pop(),this);
@@ -16,8 +16,8 @@ void factor_vm::primitive_tuple()
 	ctx->push(t.value());
 }
 
-/* Allocates memory */
 /* push a new tuple on the stack, filling its slots from the stack */
+/* Allocates memory */
 void factor_vm::primitive_tuple_boa()
 {
 	data_root<tuple_layout> layout(ctx->pop(),this);
diff --git a/vm/words.cpp b/vm/words.cpp
index 94bd0a7024..39e255741e 100644
--- a/vm/words.cpp
+++ b/vm/words.cpp
@@ -3,7 +3,8 @@
 namespace factor
 {
 
-/* Compile a word definition with the non-optimizing compiler. Allocates memory */
+/* Compile a word definition with the non-optimizing compiler. */
+/* Allocates memory */
 void factor_vm::jit_compile_word(cell word_, cell def_, bool relocating)
 {
 	data_root<word> word(word_,this);
@@ -21,11 +22,13 @@ void factor_vm::jit_compile_word(cell word_, cell def_, bool relocating)
 	if(to_boolean(word->pic_tail_def)) jit_compile_quot(word->pic_tail_def,relocating);
 }
 
+/* Allocates memory */
 cell factor_vm::find_all_words()
 {
 	return instances(WORD_TYPE);
 }
 
+/* Allocates memory */
 void factor_vm::compile_all_words()
 {
 	data_root<array> words(find_all_words(),this);