Re: [PATCH v6 05/13] drm/amdkfd: generic type as sys mem on migration to ram

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On Fri, Aug 13, 2021 at 01:31:42AM -0500, Alex Sierra wrote:
>  	migrate.vma = vma;
>  	migrate.start = start;
>  	migrate.end = end;
> -	migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE;
>  	migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev);
>  
> +	if (adev->gmc.xgmi.connected_to_cpu)
> +		migrate.flags = MIGRATE_VMA_SELECT_SYSTEM;
> +	else
> +		migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE;

It's been a while since I touched this migrate code, but doesn't this
mean that if the range already contains system memory the migration
now won't do anything? for the connected_to_cpu case?



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