Final answer:
The Slab Allocator is the memory management scheme used in SVR4 and Solaris systems to manage memory allocation for the kernel. It organizes memory in caches to efficiently handle frequently allocated and deallocated objects, thereby improving performance and reducing fragmentation.
Step-by-step explanation:
In SVR4 (System V Release 4) and Solaris operating systems, the memory management scheme responsible for managing memory allocation for the kernel is called the Slab Allocator. The Slab Allocator is known for its efficiency in managing memory that is frequently allocated and deallocated. It reduces the overhead of such operations by grouping objects of similar sizes and managing them in caches, which can then be quickly allocated or deallocated without the need to search for a suitable block of memory each time, thus avoiding fragmentation.
In SVR4 and Solaris systems, the Slab Allocator is part of a larger memory management framework that includes mechanisms for virtual memory management, paging, and swapping. This approach to memory management helps to ensure that the kernel operates efficiently and reliably, especially in systems with high memory demand and frequent allocation/deallocation of kernel objects.