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[82.11.253.99]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4587054e37dsm20889375e9.14.2025.07.24.06.56.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jul 2025 06:56:47 -0700 (PDT) From: Eugen Hristev To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com Cc: linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, eugen.hristev@linaro.org, corbet@lwn.net, mojha@qti.qualcomm.com, rostedt@goodmis.org, jonechou@google.com, tudor.ambarus@linaro.org Subject: [RFC][PATCH v2 28/29] mm/init-mm: Annotate additional information into Kmemdump Date: Thu, 24 Jul 2025 16:55:11 +0300 Message-ID: <20250724135512.518487-29-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250724135512.518487-1-eugen.hristev@linaro.org> References: <20250724135512.518487-1-eugen.hristev@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Annotate additional static information into kmemdump: - _sinittext - _einittext - _end - _text - _stext - _etext - swapper_pg_dir Information on these variables is stored into dedicated kmemdump section. Signed-off-by: Eugen Hristev --- mm/init-mm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mm/init-mm.c b/mm/init-mm.c index 2dbbaf640cf4..01ff91f35b23 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -20,6 +20,13 @@ =20 const struct vm_operations_struct vma_dummy_vm_ops; =20 +KMEMDUMP_VAR_CORE(_sinittext, sizeof(void *)); +KMEMDUMP_VAR_CORE(_einittext, sizeof(void *)); +KMEMDUMP_VAR_CORE(_end, sizeof(void *)); +KMEMDUMP_VAR_CORE(_text, sizeof(void *)); +KMEMDUMP_VAR_CORE(_stext, sizeof(void *)); +KMEMDUMP_VAR_CORE(_etext, sizeof(void *)); + /* * For dynamically allocated mm_structs, there is a dynamically sized cpum= ask * at the end of the structure, the size of which depends on the maximum C= PU @@ -51,6 +58,7 @@ struct mm_struct init_mm =3D { =20 KMEMDUMP_VAR_CORE(init_mm, sizeof(init_mm)); KMEMDUMP_VAR_CORE_NAMED(init_mm_pgd, init_mm.pgd, sizeof(*init_mm.pgd)); +KMEMDUMP_VAR_CORE(swapper_pg_dir, sizeof(&swapper_pg_dir)); =20 void setup_initial_init_mm(void *start_code, void *end_code, void *end_data, void *brk) --=20 2.43.0