Re: [RFC, PATCH 06/12] KVM: TDX: Allocate PAMT memory in __tdx_td_init()

["Huang, Kai" <kai.huang@intel.com>]

On Fri, 2025-05-02 at 16:08 +0300, Kirill A. Shutemov wrote:
>  
> +static struct page *tdx_alloc_page(void)
> +{
> +	struct page *page;
> +
> +	page = alloc_page(GFP_KERNEL);
> +	if (!page)
> +		return NULL;
> +
> +	if (tdx_pamt_get(page)) {
> +		__free_page(page);
> +		return NULL;
> +	}
> +
> +	return page;
> +}
> +
> +static void tdx_free_page(struct page *page)
> +{
> +	if (!page)
> +		return;
> +
> +	tdx_pamt_put(page);
> +	__free_page(page);
> +}
> +

IMO the two should be moved to the TDX core code, and exported for KVM to use.

They can be used for other kernel components for TDX Connect.