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-rw-r--r--mm/page_alloc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 118462ae6800..c7e9451c69fc 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -938,6 +938,10 @@ void init_mem_debugging_and_hardening(void)
else
static_branch_disable(&init_on_free);
+ if (IS_ENABLED(CONFIG_KMSAN) &&
+ (_init_on_alloc_enabled_early || _init_on_free_enabled_early))
+ pr_info("mem auto-init: please make sure init_on_alloc and init_on_free are disabled when running KMSAN\n");
+
#ifdef CONFIG_DEBUG_PAGEALLOC
if (!debug_pagealloc_enabled())
return;