From: Lance Yang <lance.yang@linux.dev>
To: willy@infradead.org
Cc: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, hyc.lee@gmail.com, usama.arif@linux.dev,
Lance Yang <lance.yang@linux.dev>
Subject: Re: [PATCH v2 3/6] ntfs: Use zero_user_segment() in handle_bounds_compressed_page()
Date: Sat, 13 Jun 2026 17:41:03 +0800 [thread overview]
Message-ID: <20260613094103.14051-1-lance.yang@linux.dev> (raw)
In-Reply-To: <20260608210618.3437216-4-willy@infradead.org>
On Mon, Jun 08, 2026 at 10:06:13PM +0100, Matthew Wilcox (Oracle) wrote:
>This fixes handle_bounds_compressed_page() on highmem memory
>as page_address() does not work on memory which has been kmap_local(),
>only on kmap() memory.
>
>Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
>---
> fs/ntfs/compress.c | 18 ++++++++----------
> 1 file changed, 8 insertions(+), 10 deletions(-)
>
>diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c
Just a thought.
This file still seems to have a few more page_address() users where the
kmap_local_page() return value is not used.
Should the rest of them be cleaned up in this series too?
Cheers, Lance
next prev parent reply other threads:[~2026-06-13 9:41 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-08 21:06 [PATCH v2 0/6] Remove __folio_index again Matthew Wilcox (Oracle)
2026-06-08 21:06 ` [PATCH v2 1/6] ntfs: Inline zero_partial_compressed_page() Matthew Wilcox (Oracle)
2026-06-09 0:18 ` Hyunchul Lee
2026-06-08 21:06 ` [PATCH v2 2/6] ntfs: Remove use of __folio_index in handle_bounds_compressed_page() Matthew Wilcox (Oracle)
2026-06-09 0:19 ` Hyunchul Lee
2026-06-09 13:17 ` Usama Arif
2026-06-09 14:34 ` Matthew Wilcox
2026-06-09 15:55 ` Usama Arif
2026-06-13 7:06 ` Lance Yang
2026-06-08 21:06 ` [PATCH v2 3/6] ntfs: Use zero_user_segment() " Matthew Wilcox (Oracle)
2026-06-09 0:20 ` Hyunchul Lee
2026-06-09 13:07 ` Usama Arif
2026-06-13 9:41 ` Lance Yang [this message]
2026-06-08 21:06 ` [PATCH v2 4/6] ntfs: Remove references to page->__folio_index Matthew Wilcox (Oracle)
2026-06-09 0:22 ` Hyunchul Lee
2026-06-08 21:06 ` [PATCH v2 5/6] show_page_info: Remove printing of page index Matthew Wilcox (Oracle)
2026-06-09 11:59 ` Ye Liu
2026-06-10 20:02 ` Matthew Wilcox
2026-06-13 3:02 ` Ye Liu
2026-06-13 3:18 ` Matthew Wilcox
2026-06-13 4:16 ` Ye Liu
2026-06-13 16:15 ` Matthew Wilcox
2026-06-09 18:44 ` David Hildenbrand (Arm)
2026-06-10 8:23 ` Vishal Moola
2026-06-08 21:06 ` [PATCH v2 6/6] mm: Remove __folio_index Matthew Wilcox (Oracle)
2026-06-09 18:43 ` David Hildenbrand (Arm)
2026-06-10 8:24 ` Vishal Moola
2026-06-09 5:06 ` [PATCH v2 0/6] Remove __folio_index again Namjae Jeon
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