Re: [RFC PATCH 09/26] hugetlb: add hugetlb_hgm_enabled

From: Peter Xu
Date: Thu Sep 08 2022 - 14:08:02 EST


On Fri, Jun 24, 2022 at 05:36:39PM +0000, James Houghton wrote:
> +#ifdef CONFIG_HUGETLB_HIGH_GRANULARITY_MAPPING
> +bool hugetlb_hgm_enabled(struct vm_area_struct *vma)
> +{
> + /* All shared VMAs have HGM enabled. */
> + return vma->vm_flags & VM_SHARED;
> +}
> +#endif /* CONFIG_HUGETLB_HIGH_GRANULARITY_MAPPING */

Another nitpick: suggest to rename this to "hugetlb_***_supported()" (with
whatever the new name could be..), as long as it cannot be "disabled". :)

--
Peter Xu