From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
To: jane.chu@oracle.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
David Hildenbrand <david@redhat.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Jann Horn <jannh@google.com>, Pedro Falcato <pfalcato@suse.de>,
Zi Yan <ziy@nvidia.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Nico Pache <npache@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>, Lance Yang <lance.yang@linux.dev>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-doc@vger.kernel.org, linux-mm@kvack.org,
linux-trace-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org, Andrei Vagin <avagin@gmail.com>
Subject: Re: [PATCH v3 1/8] mm: introduce VM_MAYBE_GUARD and make visible in /proc/$pid/smaps
Date: Tue, 18 Nov 2025 07:33:18 +0000 [thread overview]
Message-ID: <6ea6d33b-be16-4a00-9b0b-ce4a5dbecbd7@lucifer.local> (raw)
In-Reply-To: <1c4b521a-f84c-4a3a-99f7-ecb9ace3baf1@oracle.com>
On Mon, Nov 17, 2025 at 05:05:26PM -0800, jane.chu@oracle.com wrote:
>
>
> On 11/7/2025 8:11 AM, Lorenzo Stoakes wrote:
[snip]
> > diff --git a/mm/memory.c b/mm/memory.c
> > index 046579a6ec2f..334732ab6733 100644
> > --- a/mm/memory.c
> > +++ b/mm/memory.c
> > @@ -1480,6 +1480,10 @@ vma_needs_copy(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma)
> > if (src_vma->anon_vma)
> > return true;
> > + /* Guard regions have momdified page tables that require copying. */
>
> Nit: s/momdified/modified.
Thanks, Liam mentioned this too and I forgot to fix too, going to respin and
resolve :) I must have been tired :P
Cheers, Lorenzo
next prev parent reply other threads:[~2025-11-18 7:34 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-07 16:11 [PATCH v3 0/8] introduce VM_MAYBE_GUARD and make it sticky Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 1/8] mm: introduce VM_MAYBE_GUARD and make visible in /proc/$pid/smaps Lorenzo Stoakes
2025-11-17 15:11 ` David Hildenbrand (Red Hat)
2025-11-18 7:36 ` Lorenzo Stoakes
2025-11-18 1:05 ` jane.chu
2025-11-18 7:33 ` Lorenzo Stoakes [this message]
2025-11-07 16:11 ` [PATCH v3 2/8] mm: add atomic VMA flags and set VM_MAYBE_GUARD as such Lorenzo Stoakes
2025-11-10 15:51 ` Vlastimil Babka
2025-11-10 17:34 ` Lorenzo Stoakes
2025-11-10 17:36 ` Lorenzo Stoakes
2025-11-10 17:49 ` Lorenzo Stoakes
2025-11-10 17:59 ` Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 3/8] mm: implement sticky VMA flags Lorenzo Stoakes
2025-11-17 13:58 ` Lorenzo Stoakes
2025-11-17 20:02 ` Lorenzo Stoakes
2025-11-17 22:43 ` Andrew Morton
2025-11-18 7:46 ` Lorenzo Stoakes
2025-11-19 12:55 ` Mark Brown
2025-11-19 13:37 ` Lorenzo Stoakes
2025-11-19 13:16 ` Mark Brown
2025-11-19 13:27 ` Pedro Falcato
2025-11-19 13:40 ` Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 4/8] mm: introduce copy-on-fork VMAs and make VM_MAYBE_GUARD one Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 5/8] mm: set the VM_MAYBE_GUARD flag on guard region install Lorenzo Stoakes
2025-11-10 16:17 ` Vlastimil Babka
2025-11-10 17:37 ` Lorenzo Stoakes
2025-11-10 17:43 ` Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 6/8] tools/testing/vma: add VMA sticky userland tests Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 7/8] tools/testing/selftests/mm: add MADV_COLLAPSE test case Lorenzo Stoakes
2025-11-07 16:11 ` [PATCH v3 8/8] tools/testing/selftests/mm: add smaps visibility guard region test Lorenzo Stoakes
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