linux memory management-page swapping

In the process of mapping a linear address to a physical address by i386 CPU, if the mapping of the address has been established, but the P(present) flag in the corresponding page table or directory item is found to be zero, then the corresponding physical page is not in memory and thus the memory access cannot be completed. In theory, this sit ...

Posted by Heywood on Mon, 18 Oct 2021 19:11:13 +0200