From: Matthew Wilcox <willy@infradead.org>
To: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
akpm@linux-foundation.org, muchun.song@linux.dev,
osalvador@suse.de
Subject: Re: [PATCH] mm/hugetlb: convert hugetlb_change_protection() to folios
Date: Wed, 28 May 2025 23:56:16 +0100 [thread overview]
Message-ID: <aDeUkLGM9l_twtT-@casper.infradead.org> (raw)
In-Reply-To: <20250528192013.91130-1-sidhartha.kumar@oracle.com>
On Wed, May 28, 2025 at 03:20:13PM -0400, Sidhartha Kumar wrote:
> The for loop inside hugetlb_change_protection() increments by the huge
> page size:
>
> psize = huge_page_size(h);
> for (; address < end; address += psize)
>
> so we are operating on the head page of the huge pages between address
> and end. We can safely convert the struct page usage to struct folio.
>
> Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewwd-by: Matthew Wilcox (Oracle) <willy@infradead.org>
next prev parent reply other threads:[~2025-05-28 22:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-28 19:20 [PATCH] mm/hugetlb: convert hugetlb_change_protection() to folios Sidhartha Kumar
2025-05-28 22:56 ` Matthew Wilcox [this message]
2025-06-03 5:28 ` Oscar Salvador
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=aDeUkLGM9l_twtT-@casper.infradead.org \
--to=willy@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=muchun.song@linux.dev \
--cc=osalvador@suse.de \
--cc=sidhartha.kumar@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).