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From: Ajay Garg <ajaygargnsit@gmail.com>
To: Muchun Song <songmuchun@bytedance.com>
Cc: hughd@google.com, akpm@linux-foundation.org, linux-mm@kvack.org,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: shmem: do not call PageHWPoison on a ERR-page
Date: Thu, 11 Nov 2021 17:10:24 +0530	[thread overview]
Message-ID: <CAHP4M8VNZY+NLzUAVHTWK6a6pggvv4a-q9nvYAqkkco6id3Tog@mail.gmail.com> (raw)
In-Reply-To: <6864f744-ca3e-f328-8793-2adb0146db03@bytedance.com>

>
> How about the following changes since the above if block
> already do the judgment?
>
> diff --git a/mm/shmem.c b/mm/shmem.c
> index f0eee4e221a7..0c84b6624026 100644
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@ -4195,13 +4195,13 @@ struct page *shmem_read_mapping_page_gfp(struct
> address_space *mapping,
>          BUG_ON(!shmem_mapping(mapping));
>          error = shmem_getpage_gfp(inode, index, &page, SGP_CACHE,
>                                    gfp, NULL, NULL, NULL);
> -       if (error)
> +       if (error) {
>                  page = ERR_PTR(error);
> -       else
> +       } else {
>                  unlock_page(page);
> -
> -       if (PageHWPoison(page))
> -               page = ERR_PTR(-EIO);
> +               if (PageHWPoison(page))
> +                       page = ERR_PTR(-EIO);
> +       }
>
>          return page;


You have

* simply put braces (not required for 1-liner if/else blocks)
* contributed nothing to the issue the patch addresses.

I hope this is not a deliberate joke/spam.


  reply	other threads:[~2021-11-11 11:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-11  8:46 Ajay Garg
2021-11-11 11:06 ` Muchun Song
2021-11-11 11:40   ` Ajay Garg [this message]
2021-11-11 12:11     ` Muchun Song
2021-11-11 12:21       ` Ajay Garg
2021-11-11 13:09         ` Muchun Song
2021-11-11 18:42   ` Yang Shi
2021-11-11 17:45 ` Ajay Garg
2021-11-11 17:59   ` Jens Axboe
2021-11-13 17:21     ` Jens Axboe
2021-11-13 20:16       ` Linus Torvalds
2021-11-13 20:21         ` Jens Axboe
2021-11-13 20:23         ` Linus Torvalds
2021-11-13 22:29           ` Yang Shi
2021-11-13 22:58             ` Linus Torvalds
2021-11-14  3:10               ` Yang Shi

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