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Howlett" Cc: SeongJae Park , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Lorenzo Stoakes , Vlastimil Babka , Jann Horn Subject: Re: [PATCH] MAINTAINERS: Add mmap trace events to MEMORY MAPPING Date: Sat, 12 Apr 2025 08:47:51 -0700 Message-Id: <20250412154751.60224-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: C0EF5180004 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: iz14gfrgtdyjh3fi9u5hb5qm6efgwnky X-HE-Tag: 1744472874-358041 X-HE-Meta: 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 +Eb4MM55 sAra50yW0mQ0EQYYOigbsgg2xOPiK+j966713+MAyZV+kploTUg1usKcLQzHcUT24d5Up1wyGtENdxP1SW0CawKnpnsLHdHNx0WZi+r4FhVHQw2etkA27XMlt12DwMzCYS6IkCZwxk5Goadt9ii3qXLtHgxQ4YJ1pQVfe/abXbLXmTD5SKXIS1/OrZ/KTmbfg688LaNsjKgeNKFxTYKidFjpkpJ1Zhz/XZFmbv6rwHM945+K1SFkw219RaJ3ICH0DFS3VXkyF8Ns53AfuJn1sAQgL4CjqsiT50fVFNhm+evO1tfCcOKixJHMixEtWQbNcNwTCFjYFBohfgRBwHJppMBXk9IGEtVbbka8iwMmkrh7pxZJygbXoh+i8Rg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000020, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, 12 Apr 2025 09:17:21 -0400 "Liam R. Howlett" wrote: > * SeongJae Park [250411 13:47]: [...] > > > @@ -15571,6 +15571,7 @@ L: linux-mm@kvack.org > > > S: Maintained > > > W: http://www.linux-mm.org > > > T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm > > > +F: include/trace/events/mmap.h > > > > Should mmap_lock.h also be added here? > > Oh, well.. > > mmap_lock.h (include/trace/events/mmap_lock.h) has to do with > mm/mmap_lock.c, which also isn't listed here. Both exist for tracing as > well. > > There is also include/linux/mmap_lock.h, which is the locking itself. > The mmap lock is used more broadly than just these files: mm/pagewalk.c > and mm/ksm.c, for instance. > > So I guess that's a more difficult decision. Makes perfect sense. Thank you for kindly clarifying this. Thanks, SJ [...]