Subj : [$] Documenting page flags by committee
To   : All
From : LWN.net
Date : Wed May 22 2024 18:30:05

[$] Documenting page flags by committee

Date:
Wed, 22 May 2024 17:26:15 +0000

Description:
For every page of memory in the system, the kernel maintains a set of page
flags describing how the page is used and various aspects of its current
state.  Space for page flags has been in chronic short supply , leading to a 
desire to
eliminate or consolidate them whenever possible.  That objective, though,
is hampered by the fact that the purpose of many page flags is not well
understood.  In a memory-management-track session at the 2024 Linux Storage,
Filesystem, Memory-Management and BPF Summit , Matthew Wilcox set out to
cooperatively update the page-flag documentation to improve that situation.

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Link to news story:
https://lwn.net/Articles/974515/


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