Secure memory allocation technologies are described. A processor includes a processor core and a memory controller that is coupled between the processor core and main memory. The main memory comprises a protected region including secured pages. The processor, in response to a content copy instruction, is to initialize a target page in the protected region of an application address space. The processor, in response to the content copy instruction, is also to select content of a source page in the protected region to be copied. The processor, in response to the content copy instruction, is also to copy the selected content to the target page in the protected region of the application address space.