[RFC][PATCH v2 14/29] mm/page_alloc: Annotate static information into Kmemdump

Eugen Hristev eugen.hristev at linaro.org
Thu Jul 24 06:54:57 PDT 2025


Annotate vital static information into kmemdump:
 - node_states

Information on these variables is stored into dedicated kmemdump section.

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

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fa09154a799c..5f0015e27a30 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -55,6 +55,7 @@
 #include <linux/delayacct.h>
 #include <linux/cacheinfo.h>
 #include <linux/pgalloc_tag.h>
+#include <linux/kmemdump.h>
 #include <asm/div64.h>
 #include "internal.h"
 #include "shuffle.h"
@@ -207,6 +208,7 @@ nodemask_t node_states[NR_NODE_STATES] __read_mostly = {
 #endif	/* NUMA */
 };
 EXPORT_SYMBOL(node_states);
+KMEMDUMP_VAR_CORE(node_states, sizeof(node_states));
 
 gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
 
-- 
2.43.0




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