static int getRecommendedBufferSize(int requestedBufferSize) {
		int size = (requestedBufferSize + BUFFER_PREFIX_SIZE) & -MINIMUM_BLOCK_SIZE;
		if (size <= 0) {
			size = MINIMUM_BLOCK_SIZE;
		}
		return size - BUFFER_PREFIX_SIZE;
	}
Get the recommended buffer size given a target buffer size.
@param requestedBufferSize target buffer size
@return recommended buffer size
Ghidra/Framework/DB/src/main/java/db/buffers/LocalBufferFile.java