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([82.76.24.202]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42b53dea1c9sm38765632f8f.0.2025.11.19.07.45.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 07:45:39 -0800 (PST) From: Eugen Hristev To: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com, rdunlap@infradead.org, corbet@lwn.net, david@redhat.com, mhocko@suse.com Cc: tudor.ambarus@linaro.org, mukesh.ojha@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, jonechou@google.com, rostedt@goodmis.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arch@vger.kernel.org, tony.luck@intel.com, kees@kernel.org, Eugen Hristev Subject: [PATCH 13/26] mm/init-mm: Annotate static information into meminspect Date: Wed, 19 Nov 2025 17:44:14 +0200 Message-ID: <20251119154427.1033475-14-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251119154427.1033475-1-eugen.hristev@linaro.org> References: <20251119154427.1033475-1-eugen.hristev@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: atms3yutiu7x4hqrjqxmojnmnshfmyg1 X-Rspam-User: X-Rspamd-Queue-Id: F0BD080002 X-Rspamd-Server: rspam10 X-HE-Tag: 1763567140-195650 X-HE-Meta: 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 VbU9fxq6 xHo4YQ4hXRFKvFTsOM/fJq/sz1r1wNSic60aEoqCMPFfcCUfKjWX115UgAqEQEJNifztrdtNLv7NvbxxDBRrDFRcGE3MAvhVaeaav8CDWlhYZnpu2S4BGUmmPmI6RYFiZXhM0x2ItNS2c2/UIKmZhb68S8iFO//bkJJuTN4D98RxoA/t3eePxkqs69Axo2dD10V1va2luXGwJhb0BcMNdDwgio4Bs5mSLC30W7hXlun+4XIm73Rkt5NM48rmmVJBO3zCrDAcGJ/YmjR0hTHxGV7Zcy5ATnN8pzuPaltseYJOjawH6a5T2eP6l6ByCetqmfwSVBrwQqcGt/sEI8unu6Kz7ptSGi2FOCoAviSZVn2fB9wQZEAzF9Z17TyQ1p313XTPp6rZmC/3jExtzVplt9EmHbrXG+LYyRy+0wN/D9QnHEXria7NyjmIm0DaX/0fEXCCV0BGhituC2u8= 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: Annotate vital static information into inspection table: - init_mm - swapper_pg_dir - _sinittext - _einittext - _end - _text - _stext - _etext Information on these variables is stored into dedicated inspection section. Signed-off-by: Eugen Hristev --- mm/init-mm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/mm/init-mm.c b/mm/init-mm.c index 4600e7605cab..6931549bb7a2 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include @@ -19,6 +20,13 @@ const struct vm_operations_struct vma_dummy_vm_ops; +MEMINSPECT_AREA_ENTRY(_sinittext, sizeof(void *)); +MEMINSPECT_AREA_ENTRY(_einittext, sizeof(void *)); +MEMINSPECT_AREA_ENTRY(_end, sizeof(void *)); +MEMINSPECT_AREA_ENTRY(_text, sizeof(void *)); +MEMINSPECT_AREA_ENTRY(_stext, sizeof(void *)); +MEMINSPECT_AREA_ENTRY(_etext, sizeof(void *)); + /* * For dynamically allocated mm_structs, there is a dynamically sized cpumask * at the end of the structure, the size of which depends on the maximum CPU @@ -48,6 +56,9 @@ struct mm_struct init_mm = { INIT_MM_CONTEXT(init_mm) }; +MEMINSPECT_SIMPLE_ENTRY(init_mm); +MEMINSPECT_AREA_ENTRY(swapper_pg_dir, sizeof(void *)); + void setup_initial_init_mm(void *start_code, void *end_code, void *end_data, void *brk) { -- 2.43.0