Re: [PATCH v2 2/2] mm: Create non-atomic version of SetPageReserved for init use

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed 05-09-18 14:13:34, Alexander Duyck wrote:
[...]

just a nit

> @@ -1231,7 +1231,8 @@ void __meminit reserve_bootmem_region(phys_addr_t start, phys_addr_t end)
>  			/* Avoid false-positive PageTail() */
>  			INIT_LIST_HEAD(&page->lru);
>  
> -			SetPageReserved(page);
> +			/* no need for atomic set_bit at init time */
> +			__SetPageReserved(page);

OK but I guess it would be much more clear to say
			/*
			 * no need for atomic set_bit because the struct
			 * page is not visible yet so nobody should
			 * access it yet.
			 */
>  		}
>  	}
>  }
-- 
Michal Hocko
SUSE Labs




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux