linux-kernel - Re: [PATCH v3 2/8] mm: add atomic VMA flags and set VM_MAYBE

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Message-ID: <00f05e58-b10b-4a66-bd6e-41dfa60ec364@lucifer.local>
Date: Mon, 10 Nov 2025 17:36:29 +0000
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jonathan Corbet <corbet@....net>, David Hildenbrand <david@...hat.com>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
        Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Jann Horn <jannh@...gle.com>, Pedro Falcato <pfalcato@...e.de>,
        Zi Yan <ziy@...dia.com>, Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Nico Pache <npache@...hat.com>, Ryan Roberts <ryan.roberts@....com>,
        Dev Jain <dev.jain@....com>, Barry Song <baohua@...nel.org>,
        Lance Yang <lance.yang@...ux.dev>, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-mm@...ck.org, linux-trace-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, Andrei Vagin <avagin@...il.com>
Subject: Re: [PATCH v3 2/8] mm: add atomic VMA flags and set VM_MAYBE_GUARD
 as such

Hi Andrew,

Please apply this trivial fix-patch.

Thanks, Lorenzo

----8<----

>From e73da6d99f6e32c959c7a852a90f03c9c76816c6 Mon Sep 17 00:00:00 2001
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Date: Mon, 10 Nov 2025 17:35:11 +0000
Subject: [PATCH] fixup

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
---
 include/linux/mm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 699566c21ff7..e94005f2b985 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -900,6 +900,8 @@ static inline bool vma_flag_test_atomic(struct vm_area_struct *vma, int bit)
 {
 	if (__vma_flag_atomic_valid(vma, bit))
 		return test_bit(bit, &vma->__vm_flags);
+
+	return false;
 }

 static inline void vma_set_anonymous(struct vm_area_struct *vma)
--
2.51.0