linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: Miaohe Lin <linmiaohe@huawei.com>,
	akpm@linux-foundation.org, mike.kravetz@oracle.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] hugetlbfs: rework calculation code of Hugepage size in hugetlbfs_show_options()
Date: Mon, 1 Feb 2021 11:56:15 +0100	[thread overview]
Message-ID: <2bb70cac-b8ef-cdbe-fa4e-db6229587e98@redhat.com> (raw)
In-Reply-To: <20210201082325.33875-1-linmiaohe@huawei.com>

On 01.02.21 09:23, Miaohe Lin wrote:
> Rework calculation code of the Hugepage size to make it more readable and
> straightforward.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> ---
>   fs/hugetlbfs/inode.c | 9 +++++----
>   1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
> index 3a08fbae3b53..1be18de4b537 100644
> --- a/fs/hugetlbfs/inode.c
> +++ b/fs/hugetlbfs/inode.c
> @@ -1014,11 +1014,12 @@ static int hugetlbfs_show_options(struct seq_file *m, struct dentry *root)
>   	if (sbinfo->max_inodes != -1)
>   		seq_printf(m, ",nr_inodes=%lu", sbinfo->max_inodes);
>   
> -	hpage_size /= 1024;
> -	mod = 'K';
> -	if (hpage_size >= 1024) {
> -		hpage_size /= 1024;
> +	if (hpage_size >= SZ_1M) {
> +		hpage_size /= SZ_1M;
>   		mod = 'M';
> +	} else {
> +		hpage_size /= SZ_1K;
> +		mod = 'K';
>   	}
>   	seq_printf(m, ",pagesize=%lu%c", hpage_size, mod);
>   	if (spool) {
> 

Looks correct but I am not convinced the old code was that complicated 
to understand.

-- 
Thanks,

David / dhildenb



  reply	other threads:[~2021-02-01 10:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-01  8:23 [PATCH] hugetlbfs: rework calculation code of Hugepage size in hugetlbfs_show_options() Miaohe Lin
2021-02-01 10:56 ` David Hildenbrand [this message]
2021-02-01 11:19   ` Miaohe Lin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=2bb70cac-b8ef-cdbe-fa4e-db6229587e98@redhat.com \
    --to=david@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=linmiaohe@huawei.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mike.kravetz@oracle.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).