Re: how do file-mapped (mmapped) pages become dirty?

[Chris Friesen]

Helge Hafting wrote:
> Amir Hermelin wrote:

> > What function is responsible for this setting? And when will the page be
> > written back to disk (i.e. where's the flusher located)?
> When there's memory pressure, or a sync.

Note however that you need an msync() -- fsync() and fdatasync() do not 
catch changes to mmapped pages.

Chris


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