linux-kernel - [PATCH 04/26] cpu: Annotate static information into meminspect

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Message-ID: <20251119154427.1033475-5-eugen.hristev@linaro.org>
Date: Wed, 19 Nov 2025 17:44:05 +0200
From: Eugen Hristev <eugen.hristev@...aro.org>
To: linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	tglx@...utronix.de,
	andersson@...nel.org,
	pmladek@...e.com,
	rdunlap@...radead.org,
	corbet@....net,
	david@...hat.com,
	mhocko@...e.com
Cc: tudor.ambarus@...aro.org,
	mukesh.ojha@....qualcomm.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-hardening@...r.kernel.org,
	jonechou@...gle.com,
	rostedt@...dmis.org,
	linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-remoteproc@...r.kernel.org,
	linux-arch@...r.kernel.org,
	tony.luck@...el.com,
	kees@...nel.org,
	Eugen Hristev <eugen.hristev@...aro.org>
Subject: [PATCH 04/26] cpu: Annotate static information into meminspect

Annotate vital static information into inspection table:
 - __cpu_present_mask
 - __cpu_online_mask
 - __cpu_possible_mask
 - __cpu_active_mask

Information on these variables is stored into dedicated inspection section.

Signed-off-by: Eugen Hristev <eugen.hristev@...aro.org>
---
 kernel/cpu.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index db9f6c539b28..1f2df5a5b9ab 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -38,6 +38,7 @@
 #include <linux/random.h>
 #include <linux/cc_platform.h>
 #include <linux/parser.h>
+#include <linux/meminspect.h>
 
 #include <trace/events/power.h>
 #define CREATE_TRACE_POINTS
@@ -3089,18 +3090,22 @@ struct cpumask __cpu_possible_mask __ro_after_init
 struct cpumask __cpu_possible_mask __ro_after_init;
 #endif
 EXPORT_SYMBOL(__cpu_possible_mask);
+MEMINSPECT_SIMPLE_ENTRY(__cpu_possible_mask);
 
 struct cpumask __cpu_online_mask __read_mostly;
 EXPORT_SYMBOL(__cpu_online_mask);
+MEMINSPECT_SIMPLE_ENTRY(__cpu_online_mask);
 
 struct cpumask __cpu_enabled_mask __read_mostly;
 EXPORT_SYMBOL(__cpu_enabled_mask);
 
 struct cpumask __cpu_present_mask __read_mostly;
 EXPORT_SYMBOL(__cpu_present_mask);
+MEMINSPECT_SIMPLE_ENTRY(__cpu_present_mask);
 
 struct cpumask __cpu_active_mask __read_mostly;
 EXPORT_SYMBOL(__cpu_active_mask);
+MEMINSPECT_SIMPLE_ENTRY(__cpu_active_mask);
 
 struct cpumask __cpu_dying_mask __read_mostly;
 EXPORT_SYMBOL(__cpu_dying_mask);
-- 
2.43.0