Re: [PATCH 2/2] mm: Create non-atomic version of SetPageReserved for init use

[Dave Hansen]

On 09/04/2018 11:33 AM, Alexander Duyck wrote:
> +++ b/mm/page_alloc.c
> @@ -1231,7 +1231,7 @@ void __meminit reserve_bootmem_region(phys_addr_t 
> start, phys_addr_t end)
>                       /* Avoid false-positive PageTail() */
>                       INIT_LIST_HEAD(&page->lru);
>  
> -                     SetPageReserved(page);
> +                     __SetPageReserved(page);
>               }
>       }
>  }
> @@ -5518,7 +5518,7 @@ void __meminit memmap_init_zone(unsigned long size, int 
> nid, unsigned long zone,
>               page = pfn_to_page(pfn);
>               __init_single_page(page, pfn, zone, nid);
>               if (context == MEMMAP_HOTPLUG)
> -                     SetPageReserved(page);
> +                     __SetPageReserved(page);

Comments needed, please.  SetPageReserved() is opaque enough by itself,
but having to discern between it and an __ variant is even less fun.