Re: [PATCH v2] mm/hmm: bypass devmap pte when all pfn requested flags are fulfilled

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On Sat, Aug 28, 2021 at 09:04:41AM +0800, Li Zhijian wrote:
> +	if (!pte_devmap(pte) && pte_special(pte) &&
> +	    !is_zero_pfn(pte_pfn(pte))) {

Maybe this is a little too superficial and nitpicky, but I find the
ordering of the checks a little strange.  Why not do the pte_special
first and then the exlusions from it later?




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