> -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Dexuan Cui > Sent: Tuesday, October 28, 2014 15:08 PM > To: Dave Hansen; Rik van Riel; H. Peter Anvin > Cc: [email protected]; [email protected] > Subject: Does slow_virt_to_phys() work with vmalloc() in the case of 32bit- > PAE and 2MB page? > > Hi all, > I suspect slow_virt_to_phys() may not work with vmalloc() in > the 32-bit PAE case(when the pa > 4GB), probably due to 2MB page(?) > > Is there any known issue with slow_virt_to_phys() + vmalloc() + > 32-bit PAE + 2MB page? > > From what I read the code of slow_virt_to_phys(), the variable 'psize' is > assigned with a value but not used at all -- is this a bug? After reading through the code, I think there is no issue here, though the assignment of 'psize' should be unnecessary, I think. Thanks, -- Dexuan
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