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Wed, 03 Sep 2025 10:07:57 -0700 (PDT) MIME-Version: 1.0 References: <33E58899-F5E1-4E24-B830-A3E914331083@nvidia.com> In-Reply-To: <33E58899-F5E1-4E24-B830-A3E914331083@nvidia.com> From: Suren Baghdasaryan Date: Wed, 3 Sep 2025 10:07:42 -0700 X-Gm-Features: Ac12FXw1t6dt4dOnQ8qWCWbnXCPmPMyQQkv__RxYXd2_GKtSxElsS5L9wHXlLu0 Message-ID: Subject: Re: [PATCH v3 1/2] mm/show_mem: Dump the status of the mem alloc profiling before printing To: Zi Yan Cc: Yueyang Pan , Andrew Morton , Vlastimil Babka , Michal Hocko , Brendan Jackman , Johannes Weiner , Vishal Moola , Shakeel Butt , Usama Arif , linux-mm@kvack.org, kernel-team@meta.com, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: xmh8455ez86fgq87ijci1hxpdxmjrko6 X-Rspam-User: X-Rspamd-Queue-Id: 54E721C0013 X-Rspamd-Server: rspam05 X-HE-Tag: 1756919279-41788 X-HE-Meta: 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 VyhbCr1Z AxVZZ18HB3Zjjgsnijfm8okBDXawJ7eV99C/YAEc2UW1epyvuh3YPTnWCiO4b0Pj9gO3qxYK2VQfjyxD2ixJJmH15/b5BUqMT1bQtWbOCpCJAc+QreCZq+Xoog274xSgL+pB2rkSikOmODXP+7qHdc8qaxVi2Dv1iHfiLbxG/QgCf4HxMOsPS1chhURQRhKAjQ5620ptNMre06QKOsy86Jdj6zQU3CoRwLbzwDVaiiLojp8GgTzXihpxWaD8OJAuEkvdy00KU1Z8W3CttxrYa414sgNkN94gqjl7aidMQlvoTvJdwgMPOgf150KEdxQbhUH+QiRSC9GABrlTGUdXhtdsmxocFbbsYTWoybGfjokErkEWR/V5ExeCDBFMASUuF35Ld X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 Wed, Sep 3, 2025 at 9:29=E2=80=AFAM Zi Yan wrote: > > On 3 Sep 2025, at 7:16, Yueyang Pan wrote: > > > This patch prints the status of the memory allocation profiling > > before __show_mem actually prints the detailed allocation info. > > This way will let us know the `0B` we saw in allocation info is > > because the profiling is disabled or the allocation is actually > > 0B. > > > > Signed-off-by: Yueyang Pan > > --- > > mm/show_mem.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > Acked-by: Zi Yan Acked-by: Suren Baghdasaryan > > Best Regards, > Yan, Zi