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-rw-r--r--lib/alloc_tag.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c
index 35f7560a309a..3a0413462e9f 100644
--- a/lib/alloc_tag.c
+++ b/lib/alloc_tag.c
@@ -209,6 +209,13 @@ void pgalloc_tag_swap(struct folio *new, struct folio *old)
return;
}
+ /*
+ * Clear tag references to avoid debug warning when using
+ * __alloc_tag_ref_set() with non-empty reference.
+ */
+ set_codetag_empty(&ref_old);
+ set_codetag_empty(&ref_new);
+
/* swap tags */
__alloc_tag_ref_set(&ref_old, tag_new);
update_page_tag_ref(handle_old, &ref_old);