Memory Management

[toc] 1. buffer vs cache A buffer is something that has yet to be "written" to disk. A cache is something that has been "read" from the disk and stored for later use. 2. References caching What is the difference between buffer vs cache memory in Linu

Operating Systems / LinuxCreated 01/17/2020Updated 02/26/20221 min readhistorical

This is a historical learning note and may contain outdated or incomplete understanding.

1. buffer vs cache

A buffer is something that has yet to be “written” to disk.
A cache is something that has been “read” from the disk and stored for later use.

2. References

caching - What is the difference between buffer vs cache memory in Linux? - Stack Overflow
Relationship and Evolution History of Linux Kernel Page Cache and Buffer Cache | lday’s Blog
Linux Memory Management (The Most Thorough Article) - CSDN