Hi,
I want to understand the mechanism by which linux marks a page as referenced.
According to the documentation in "Understanding The
Linux Virtual Memory Manager" Figure 11.6 and Table 3.1, there is a bit PG_referenced that can be queried to test if the page was accessed.
I want to ask if the CPU can/does set that bit. Also, is this bit set on a LLC miss or on a TLB access?
Thanks a lot. Please tell me if there are some manuals/other forums I could refer to for this question.
--
Rakhi Hemani
Phd Scholar
Roll Number PhD1207
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