Re: [PATCHv8 02/14] mm: Add support for unaccepted memory

[Borislav Petkov <bp@xxxxxxxxx>]

On Wed, Dec 07, 2022 at 04:49:21AM +0300, Kirill A. Shutemov wrote:
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 6e60657875d3..6d597e833a73 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -450,6 +450,11 @@ EXPORT_SYMBOL(nr_online_nodes);
>  
>  int page_group_by_mobility_disabled __read_mostly;
>  
> +#ifdef CONFIG_UNACCEPTED_MEMORY
> +/* Counts number of zones with unaccepted pages. */
> +static DEFINE_STATIC_KEY_FALSE(unaccepted_pages);

Then call it what it is:

static DEFINE_STATIC_KEY_FALSE(zones_with_unaccepted_pages);

so that when reading the code it is self-describing:

        if (!static_branch_unlikely(&zones_with_unaccepted_pages))
                return false;

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette