linux-kernel - Re: [PATCH 1/3] mm/page_alloc: Use dump

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Message-ID: <YJtIDeb+Y2eNu0bs@casper.infradead.org>
Date:   Wed, 12 May 2021 04:14:21 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] mm/page_alloc: Use dump_page() directly

On Wed, May 12, 2021 at 11:10:55AM +0800, Kefeng Wang wrote:
> Simplfy use dump_page().

https://lore.kernel.org/linux-mm/20210430145549.2662354-3-willy@infradead.org/

> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
>  mm/page_alloc.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index a2fe714aed93..f23702e7c564 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -658,8 +658,7 @@ static void bad_page(struct page *page, const char *reason)
>  
>  	pr_alert("BUG: Bad page state in process %s  pfn:%05lx\n",
>  		current->comm, page_to_pfn(page));
> -	__dump_page(page, reason);
> -	dump_page_owner(page);
> +	dump_page(page, reason);
>  
>  	print_modules();
>  	dump_stack();
> -- 
> 2.26.2
>