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-rw-r--r--mm/sparse.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index fa933f4..42ca0ea 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -130,6 +130,8 @@ int __section_nr(struct mem_section* ms)
break;
}
+ VM_BUG_ON(root_nr == NR_SECTION_ROOTS);
+
return (root_nr * SECTIONS_PER_ROOT) + (ms - root);
}
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