Linux页表
2018-05-12 10:42:56 3 举报
Linux页表
作者其他创作
大纲/内容
P whether the virtual page is present in physical memoryR/W 0: read_only; 1: read_writeU/S user/supervisorD dirty: a dirty page has had a writeA accessed: an accessed page has had a write or read
anonymous: holding program data
free: available for allocation
page cache: holding data stored in a file or block device
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