发布时间:2013-11-16 11:50:56
Previously we looked at how the kernel manages virtual memory for a user process, but files and I/O were left out. This post covers the important and often misunderstood relationship between files and memory and its consequences for performance.Two serious problems must be solved by .........【阅读全文】
发布时间:2013-11-16 11:48:11
After examining the virtual address layout of a process, we turn to the kernel and its mechanisms for managing user memory. Here is gonzo again:Linux processes are implemented in the kernel as instances of task_struct, the process descriptor. The mm field in task_s.........【阅读全文】