[PATCH v3 03/26] mm/percpu: Annotate static information into meminspect

From: Mukesh Ojha

Date: Wed Jul 08 2026 - 01:34:24 EST


From: Eugen Hristev <ehristev@xxxxxxxxxx>

Annotate vital static information in meminspect:
- __per_cpu_offset

Information on these annotated variables is stored in a dedicated
meminspect section.

Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxx>
Signed-off-by: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx>
---
mm/percpu.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/mm/percpu.c b/mm/percpu.c
index a802d72c116f..5b1c87e46273 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -87,6 +87,7 @@
#include <linux/sched.h>
#include <linux/sched/mm.h>
#include <linux/memcontrol.h>
+#include <linux/meminspect.h>

#include <asm/cacheflush.h>
#include <asm/sections.h>
@@ -3367,6 +3368,10 @@ void __init setup_per_cpu_areas(void)

#endif /* CONFIG_SMP */

+#if defined(CONFIG_SMP) && !defined(__per_cpu_offset)
+MEMINSPECT_SIMPLE_ENTRY(__per_cpu_offset);
+#endif
+
/*
* pcpu_nr_pages - calculate total number of populated backing pages
*

--
2.53.0