From: Yury Norov <ynorov@nvidia.com>
To: Thorsten Blum <thorsten.blum@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Yury Norov <yury.norov@gmail.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Andy Shevchenko <andriy.shevchenko@intel.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2/3] mm: add bytes_to_page_end() helper
Date: Sun, 17 May 2026 11:28:05 -0400 [thread overview]
Message-ID: <agnehRPd6SeoO9ie@yury> (raw)
In-Reply-To: <20260517123428.1181981-5-thorsten.blum@linux.dev>
On Sun, May 17, 2026 at 02:34:30PM +0200, Thorsten Blum wrote:
> Add bytes_to_page_end() for the common PAGE_SIZE - offset_in_page()
> calculation.
>
> Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
> include/linux/page_helpers.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/page_helpers.h b/include/linux/page_helpers.h
> index 102a4f3c3868..981731faa1fc 100644
> --- a/include/linux/page_helpers.h
> +++ b/include/linux/page_helpers.h
> @@ -6,5 +6,6 @@
> #include <asm/page.h>
>
> #define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
> +#define bytes_to_page_end(p) (PAGE_SIZE - offset_in_page(p))
>
> #endif /* _LINUX_PAGE_HELPERS_H */
I've got a series for this
https://lore.kernel.org/all/20260303182845.250bb2de@kernel.org/
The feedback is surprisingly negative. Please add people from that
thread. Maybe you'll be more successful convincing them.
Thanks,
Yury
next prev parent reply other threads:[~2026-05-17 15:28 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-17 12:34 [PATCH 1/3] mm: move offset_in_page() to page_helpers.h Thorsten Blum
2026-05-17 12:34 ` [PATCH 2/3] mm: add bytes_to_page_end() helper Thorsten Blum
2026-05-17 15:28 ` Yury Norov [this message]
2026-05-18 6:48 ` Andy Shevchenko
2026-05-18 10:23 ` Lorenzo Stoakes
2026-05-18 11:33 ` William Kucharski
2026-05-18 11:53 ` William Kucharski
2026-05-18 9:09 ` David Laight
2026-05-18 10:24 ` Lorenzo Stoakes
2026-05-18 6:49 ` Andy Shevchenko
2026-05-18 10:24 ` Lorenzo Stoakes
2026-05-17 12:34 ` [PATCH 3/3] lib/bitmap: use " Thorsten Blum
2026-05-18 10:33 ` Lorenzo Stoakes
2026-05-18 6:51 ` [PATCH 1/3] mm: move offset_in_page() to page_helpers.h Andy Shevchenko
2026-05-18 10:02 ` Lorenzo Stoakes
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