From: Andrew Morton <akpm@linux-foundation.org>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
Jiri Olsa <jolsa@kernel.org>, Lorenzo Stoakes <ljs@kernel.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Rik van Riel <riel@surriel.com>,
Harry Yoo <harry@kernel.org>, Jann Horn <jannh@google.com>,
Matthew Wilcox <willy@infradead.org>,
"Liam R. Howlett" <liam@infradead.org>,
linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, linux-mm@kvack.org,
Breno Leitao <leitao@debian.org>
Subject: Re: [PATCH 3/3] mm: remove page_mapped()
Date: Mon, 27 Apr 2026 06:21:37 -0700 [thread overview]
Message-ID: <20260427062137.48739e6fa6e550f1f0e8ff48@linux-foundation.org> (raw)
In-Reply-To: <20260427-page_mapped-v1-3-e89c3592c74c@kernel.org>
On Mon, 27 Apr 2026 13:43:16 +0200 "David Hildenbrand (Arm)" <david@kernel.org> wrote:
> Let's replace the last user of page_mapped() by folio_mapped() so we
> can get rid of page_mapped().
>
> Replace the remaining occurrences of page_mapped() in rmap documentation
> by folio_mapped().
This broke Breno's "mm/memory-failure: add panic option for
unrecoverable pages"
(https://lore.kernel.org/20260424-ecc_panic-v5-2-a35f4b50425c@debian.org),
which added a new page_mapped() call. I made the below adjustment to
Breno's patch:
--- a/mm/memory-failure.c~mm-memory-failure-add-panic-option-for-unrecoverable-pages-fix
+++ a/mm/memory-failure.c
@@ -1353,7 +1353,7 @@ static bool panic_on_unrecoverable_mf(un
cpu_relax();
return page_count(p) == 0 &&
!PageLRU(p) &&
- !page_mapped(p) &&
+ !folio_mapped(page_folio(p)) &&
!page_folio(p)->mapping &&
!is_free_buddy_page(p);
default:
_
next prev parent reply other threads:[~2026-04-27 13:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 11:43 [PATCH 0/3] mm: remove page_mapped() David Hildenbrand (Arm)
2026-04-27 11:43 ` [PATCH 1/3] sh: use folio_mapped() instead of page_mapped() in sh4_flush_cache_page() David Hildenbrand (Arm)
2026-04-27 12:43 ` Matthew Wilcox
2026-04-27 11:43 ` [PATCH 2/3] bpf: arena: use page_ref_count() instead of page_mapped() in arena_free_pages() David Hildenbrand (Arm)
2026-04-27 12:17 ` Andrew Morton
2026-04-27 15:00 ` Alexei Starovoitov
2026-04-27 15:15 ` Andrew Morton
2026-04-27 15:27 ` Alexei Starovoitov
2026-04-28 8:16 ` David Hildenbrand (Arm)
2026-04-28 16:58 ` Alexei Starovoitov
2026-04-28 19:38 ` David Hildenbrand (Arm)
2026-04-28 8:44 ` Vlastimil Babka (SUSE)
2026-04-27 13:00 ` Matthew Wilcox
2026-04-27 11:43 ` [PATCH 3/3] mm: remove page_mapped() David Hildenbrand (Arm)
2026-04-27 13:12 ` Matthew Wilcox
2026-04-27 13:21 ` Andrew Morton [this message]
2026-04-27 13:23 ` David Hildenbrand (Arm)
2026-04-27 14:42 ` Breno Leitao
2026-04-27 14:59 ` Matthew Wilcox
2026-04-27 20:59 ` [PATCH 0/3] " David Hildenbrand (Arm)
2026-04-27 21:38 ` Alexei Starovoitov
2026-04-28 5:37 ` David Hildenbrand (Arm)
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