linux-kernel - Re: [RFC PATCH 1/6] mm/mmap: Move exit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAF8kJuPs4FBQ3x8Z_ME3vjwJHaAtHeE8jmn9pBqz8cau72e_+w@mail.gmail.com>
Date: Thu, 21 Aug 2025 14:12:51 -0700
From: Chris Li <chrisl@...nel.org>
To: "Liam R. Howlett" <Liam.Howlett@...cle.com>
Cc: David Hildenbrand <david@...hat.com>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	maple-tree@...ts.infradead.org, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz>, 
	Mike Rapoport <rppt@...nel.org>, Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Jann Horn <jannh@...gle.com>, 
	Pedro Falcato <pfalcato@...e.de>, Charan Teja Kalla <quic_charante@...cinc.com>, shikemeng@...weicloud.com, 
	kasong@...cent.com, nphamcs@...il.com, bhe@...hat.com, baohua@...nel.org, 
	Matthew Wilcox <willy@...radead.org>
Subject: Re: [RFC PATCH 1/6] mm/mmap: Move exit_mmap() trace point

Acked-by: Chris Li <chrisl@...nel.org>

Chris


Chris

On Fri, Aug 15, 2025 at 12:11 PM Liam R. Howlett
<Liam.Howlett@...cle.com> wrote:
>
> Move the trace point later in the function so that it is not skipped in
> the event of a failed fork.
>
> Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
> ---
>  mm/mmap.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/mmap.c b/mm/mmap.c
> index 7306253cc3b57..c4c315b480af7 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -1310,9 +1310,9 @@ void exit_mmap(struct mm_struct *mm)
>
>         BUG_ON(count != mm->map_count);
>
> -       trace_exit_mmap(mm);
>  destroy:
>         __mt_destroy(&mm->mm_mt);
> +       trace_exit_mmap(mm);
>         mmap_write_unlock(mm);
>         vm_unacct_memory(nr_accounted);
>  }
> --
> 2.47.2
>
>