Re: [PATCH v6 05/11] mm: Add fast_only bool to test_young and clear_young MMU notifiers

[David Hildenbrand]

On 24.07.24 03:10, James Houghton wrote:
> For implementers, the fast_only bool indicates that the age information
> needs to be harvested such that we do not slow down other MMU operations,
> and ideally that we are not ourselves slowed down by other MMU
> operations.  Usually this means that the implementation should be
> lockless.

But what are the semantics if "fast_only" cannot be achieved by the 
implementer?

Can we add some documentation to the new functions that explain what 
this mysterious "fast_only" is and what the expected semantics are? 
Please? :)

--
Cheers,

David / dhildenb