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From: Eugen Hristev <eugen.hristev@linaro.org>
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 <eugen.hristev@linaro.org>
Subject: [PATCH 13/26] mm/init-mm: Annotate static information into meminspect
Date: Wed, 19 Nov 2025 17:44:14 +0200	[thread overview]
Message-ID: <20251119154427.1033475-14-eugen.hristev@linaro.org> (raw)
In-Reply-To: <20251119154427.1033475-1-eugen.hristev@linaro.org>

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 <eugen.hristev@linaro.org>
---
 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 <linux/cpumask.h>
 #include <linux/mman.h>
 #include <linux/pgtable.h>
+#include <linux/meminspect.h>
 
 #include <linux/atomic.h>
 #include <linux/user_namespace.h>
@@ -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



  parent reply	other threads:[~2025-11-19 15:45 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-19 15:44 [PATCH 00/26] Introduce meminspect Eugen Hristev
2025-11-19 15:44 ` [PATCH 01/26] kernel: " Eugen Hristev
2025-11-22  0:04   ` kernel test robot
2025-11-24  3:02   ` Bagas Sanjaya
2025-11-19 15:44 ` [PATCH 02/26] init/version: Annotate static information into meminspect Eugen Hristev
2025-11-19 15:44 ` [PATCH 03/26] mm/percpu: " Eugen Hristev
2025-11-21 17:13   ` kernel test robot
2025-11-21 19:13   ` kernel test robot
2025-11-19 15:44 ` [PATCH 04/26] cpu: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 05/26] genirq/irqdesc: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 06/26] timers: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 07/26] kernel/fork: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 08/26] mm/page_alloc: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 09/26] mm/show_mem: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 10/26] mm/swapfile: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 11/26] kernel/vmcore_info: Register dynamic " Eugen Hristev
2025-11-19 15:44 ` [PATCH 12/26] kernel/configs: " Eugen Hristev
2025-11-21 22:16   ` kernel test robot
2025-11-19 15:44 ` Eugen Hristev [this message]
2025-11-19 15:44 ` [PATCH 14/26] panic: Annotate static " Eugen Hristev
2025-11-19 15:44 ` [PATCH 15/26] kallsyms: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 16/26] mm/mm_init: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 17/26] sched/core: Annotate runqueues " Eugen Hristev
2025-11-19 15:44 ` [PATCH 18/26] mm/memblock: Add MEMBLOCK_INSPECT flag Eugen Hristev
2025-11-19 15:44 ` [PATCH 19/26] mm/numa: Register information into meminspect Eugen Hristev
2025-11-19 15:44 ` [PATCH 20/26] mm/sparse: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 21/26] printk: " Eugen Hristev
2025-11-19 15:44 ` [PATCH 22/26] remoteproc: qcom: Extract minidump definitions into a header Eugen Hristev
2025-11-19 15:44 ` [PATCH 23/26] soc: qcom: Add minidump driver Eugen Hristev
2025-11-22  4:55   ` kernel test robot
2025-11-22  7:54   ` kernel test robot
2025-11-19 15:44 ` [PATCH 24/26] soc: qcom: smem: Add minidump device Eugen Hristev
2025-11-19 15:44 ` [PATCH 25/26] dt-bindings: reserved-memory: Add Google Kinfo Pixel reserved memory Eugen Hristev
2025-11-19 16:02   ` Krzysztof Kozlowski
2025-11-19 16:19     ` Eugen Hristev
2025-11-20  7:21       ` Krzysztof Kozlowski
2025-11-19 16:33   ` Rob Herring (Arm)
2025-11-19 22:41   ` Rob Herring
2025-11-19 15:44 ` [PATCH 26/26] meminspect: Add Kinfo compatible driver Eugen Hristev
2025-11-19 16:30 ` [PATCH 00/26] Introduce meminspect Lorenzo Stoakes
2025-11-19 17:11   ` Eugen Hristev
2025-11-19 17:14     ` Lorenzo Stoakes
2025-11-19 17:19       ` Eugen Hristev
2025-11-19 18:15 ` Steven Rostedt
2025-11-19 18:24   ` Eugen Hristev
2025-11-19 18:38     ` Steven Rostedt

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