linux-kernel - Re: [PATCH 04/16] mm/page_alloc: remove obsolete comment in zone

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Message-ID: <YyKua3htQ6GgWhGI@localhost.localdomain>
Date:   Thu, 15 Sep 2022 06:47:39 +0200
From:   Oscar Salvador <osalvador@...e.de>
To:     Miaohe Lin <linmiaohe@...wei.com>
Cc:     akpm@...ux-foundation.org, david@...hat.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/16] mm/page_alloc: remove obsolete comment in
 zone_statistics()

On Fri, Sep 09, 2022 at 05:24:39PM +0800, Miaohe Lin wrote:
> Since commit 43c95bcc51e4 ("mm/page_alloc: reduce duration that IRQs
> are disabled for VM counters"), zone_statistics() is not called with
> interrupts disabled. Update the corresponding comment.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

Reviewed-by: Oscar Salvador <osalvador@...e.de>

> ---
>  mm/page_alloc.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 2deac2fe3372..c81f06d8a4f5 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -3671,8 +3671,6 @@ void __putback_isolated_page(struct page *page, unsigned int order, int mt)
>  
>  /*
>   * Update NUMA hit/miss statistics
> - *
> - * Must be called with interrupts disabled.
>   */
>  static inline void zone_statistics(struct zone *preferred_zone, struct zone *z,
>  				   long nr_account)
> -- 
> 2.23.0
> 

-- 
Oscar Salvador
SUSE Labs