Re: [PATCH 2/4] mm/memofy-failure.c:: simplify num_poisoned_pages_dec

[Naoya Horiguchi]

On Fri, Apr 29, 2022 at 10:22:04PM +0800, zhenwei pi wrote:
> Don't descrease the number of poisoned pages in page_alloc.c, let the
        ^^^^
        decrease?

> memory-failure.c do inc/dec poisoned pages only.
> 
> Also simplify unpoison_memory(), only descrease the number of
                                        ^^^^
                                        same typo

> poisoned pages when:
>  - TestClearPageHWPoison() succeed
>  - put_page_back_buddy succeed
> 
> After descreasing, print necessary log.
        ^^^^
        ditto

> 
> Finally, remove clear_page_hwpoison() and unpoison_taken_off_page().
> 
> Cc: Wu Fengguang <fengguang.wu@xxxxxxxxx>
> Signed-off-by: zhenwei pi <pizhenwei@xxxxxxxxxxxxx>

Otherwise, the changes look good to me.

Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>