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From: Eugen Hristev <eugen.hristev@linaro.org>
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 19/29] mm/mm_init: Annotate static information into Kmemdump
Date: Thu, 24 Jul 2025 16:55:02 +0300	[thread overview]
Message-ID: <20250724135512.518487-20-eugen.hristev@linaro.org> (raw)
In-Reply-To: <20250724135512.518487-1-eugen.hristev@linaro.org>

Annotate vital static information into kmemdump:
 - high_memory

Information on these variables is stored into dedicated kmemdump section.

Signed-off-by: Eugen Hristev <eugen.hristev@linaro.org>
---
 mm/mm_init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/mm_init.c b/mm/mm_init.c
index 5c21b3af216b..fd577f988f79 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -32,6 +32,7 @@
 #include <linux/vmstat.h>
 #include <linux/kexec_handover.h>
 #include <linux/hugetlb.h>
+#include <linux/kmemdump.h>
 #include "internal.h"
 #include "slab.h"
 #include "shuffle.h"
@@ -52,6 +53,7 @@ EXPORT_SYMBOL(mem_map);
  */
 void *high_memory;
 EXPORT_SYMBOL(high_memory);
+KMEMDUMP_VAR_CORE(high_memory, sizeof(high_memory));
 
 #ifdef CONFIG_DEBUG_MEMORY_INIT
 int __meminitdata mminit_loglevel;
-- 
2.43.0


  parent reply	other threads:[~2025-07-24 13:56 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-24 13:54 [RFC][PATCH v2 00/29] introduce kmemdump Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 01/29] kmemdump: " Eugen Hristev
2025-07-26  3:33   ` Randy Dunlap
2025-07-26  3:36   ` Randy Dunlap
2025-07-24 13:54 ` [RFC][PATCH v2 02/29] Documentation: add kmemdump Eugen Hristev
2025-07-24 14:13   ` Jonathan Corbet
2025-07-24 13:54 ` [RFC][PATCH v2 03/29] kmemdump: add coreimage ELF layer Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 04/29] Documentation: kmemdump: add section for coreimage ELF Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 05/29] kmemdump: introduce qcom-minidump backend driver Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 06/29] soc: qcom: smem: add minidump device Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 07/29] init/version: Annotate static information into Kmemdump Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 08/29] cpu: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 09/29] genirq/irqdesc: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 10/29] panic: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 11/29] sched/core: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 12/29] timers: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 13/29] kernel/fork: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 14/29] mm/page_alloc: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 15/29] mm/init-mm: " Eugen Hristev
2025-07-24 13:54 ` [RFC][PATCH v2 16/29] mm/show_mem: " Eugen Hristev
2025-07-30 13:55   ` David Hildenbrand
2025-07-30 14:04     ` Eugen Hristev
2025-07-30 14:10       ` David Hildenbrand
2025-07-24 13:55 ` [RFC][PATCH v2 17/29] mm/swapfile: " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 18/29] mm/percpu: " Eugen Hristev
2025-07-24 13:55 ` Eugen Hristev [this message]
2025-07-24 13:55 ` [RFC][PATCH v2 20/29] printk: Register " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 21/29] kernel/configs: Register dynamic " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 22/29] mm/numa: Register " Eugen Hristev
2025-07-30 13:52   ` David Hildenbrand
2025-07-30 13:57     ` Eugen Hristev
2025-07-30 14:04       ` David Hildenbrand
2025-08-04 10:54         ` Michal Hocko
2025-08-04 11:06           ` Eugen Hristev
2025-08-04 12:18             ` David Hildenbrand
2025-08-04 12:29               ` Eugen Hristev
2025-08-04 12:49                 ` David Hildenbrand
2025-08-04 13:03                   ` Eugen Hristev
2025-08-04 13:26                     ` David Hildenbrand
2025-08-25 12:55                       ` Eugen Hristev
2025-08-25 13:20                         ` David Hildenbrand
2025-08-25 13:36                           ` Eugen Hristev
2025-08-25 13:58                             ` David Hildenbrand
2025-08-27 11:59                               ` Eugen Hristev
2025-08-27 12:18                                 ` David Hildenbrand
2025-08-27 14:08                                   ` Eugen Hristev
2025-08-27 20:06                                     ` David Hildenbrand
2025-09-01  8:57                                       ` Eugen Hristev
2025-09-01 10:01                                         ` David Hildenbrand
2025-09-01 12:02                                           ` Eugen Hristev
2025-09-01 12:17                                             ` David Hildenbrand
2025-08-04 12:16           ` David Hildenbrand
2025-07-24 13:55 ` [RFC][PATCH v2 23/29] mm/sparse: " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 24/29] kernel/vmcore_info: Register dynamic " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 25/29] kmemdump: Add additional symbols to the coreimage Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 26/29] init/version: Annotate init uts name separately into Kmemdump Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 27/29] kallsyms: Annotate static information " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 28/29] mm/init-mm: Annotate additional " Eugen Hristev
2025-07-24 13:55 ` [RFC][PATCH v2 29/29] kmemdump: Add Kinfo backend driver Eugen Hristev
2025-08-26 17:14 ` [RFC][PATCH v2 00/29] introduce kmemdump Mukesh Ojha
2025-08-27  6:42   ` Eugen Hristev

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