What is coalescing?
2013
What is coalescing?
- A.
It is second strategy for allocating kernel memory.
- B.
The buddy system allocates memory from a fixed size segment consisting of physically contiguous pages.
- C.
Kernel memory is often allocated from a free-memory pool different from the list used to satisfy ordinary user mode processes.
- D.
An advantage of the buddy system is how quickly adjacent buddies can be combined to form larger segments using this technique.
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Correct answer: D
Coalescing refers to the process in the buddy system where adjacent free memory blocks (buddies) are quickly combined to form a larger block.