On 3/6/2026 12:25 PM, Matthew Wilcox wrote:

I don't think we should have pgprot_large_2_4k().  Or rather, I think it
should be embedded in pmd_pgprot() / pud_pgprot().  That is, we should
have an 'ideal' pgprot which, on x86, perhaps matches that used by the
4k level.  pfn_pmd() should be converting from the ideal pgprot to
that actually used by PMDs (and setting _PAGE_PSE?)

Hi Willy,

I will take this route and implement the embedded approach for the v4 
respin.

-- 
Yin Tirui