Messages in this thread | | | Date | Mon, 28 Oct 2019 04:10:34 -0700 | From | Matthew Wilcox <> | Subject | Re: [PATCH RFC] fs/fcntl: add fcntl F_GET_RSS |
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On Mon, Oct 28, 2019 at 01:28:09PM +0300, Konstantin Khlebnikov wrote: > + if (dax_mapping(mapping)) > + pages = READ_ONCE(mapping->nrexceptional); > + else > + pages = READ_ONCE(mapping->nrpages);
I'm not sure this is the right calculation for DAX files. We haven't allocated any memory for DAX; we're just accessing storage directly. The entries in the page caache are just translation from file offset to physical address.
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