> "The first memory allocation scheme started with a stack-based memory allocation. Next came the dynamic-based memory allocation scheme where linked-list and bucket-heap mechanism are used to divide the private-heap using size class approach. Soon, garbage collection algorithm introduced the initial backend of the memory allocation scheme."
Since no specific operating system is mentioned, these sentences appear to refer to the general history of dynamic memory allocation, in which case they are wrong.
"malloc" is a late comer in this history. It has appeared as the statement "ALLOCATE", together with the statement "FREE", in the programming language PL/I of IBM, by the end of 1964. The C programming language has inherited these 2 functions from IBM PL/I, together with several other features.
At that time (1964-12), many other techniques of managing memory had already been used for a few years.
Dynamic allocation of memory has started during the fifties, with allocation without ever freeing the allocated memory before the termination of the process.
Then, in 1960, 3 methods of handling dynamic memory allocation and implicit freeing were published, which have remained important until today: the use of garbage collectors in April (John McCarthy), the use of stacks in May (E. W. Dijkstra), and the use of reference counts in December (George E. Collins @ IBM).
So the use of garbage collectors is actually the oldest published method for handling dynamic memory allocation, not a newer method, being used in LISP I about 5 years before the first release of PL/I with explicit allocation and freeing (mid 1965).