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-rw-r--r--lib/radix-tree.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 7b9f8515033e..14130ab197c0 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -338,6 +338,14 @@ static void dump_ida_node(void *entry, unsigned long index)
for (i = 0; i < RADIX_TREE_MAP_SIZE; i++)
dump_ida_node(node->slots[i],
index | (i << node->shift));
+ } else if (radix_tree_exceptional_entry(entry)) {
+ pr_debug("ida excp: %p offset %d indices %lu-%lu data %lx\n",
+ entry, (int)(index & RADIX_TREE_MAP_MASK),
+ index * IDA_BITMAP_BITS,
+ index * IDA_BITMAP_BITS + BITS_PER_LONG -
+ RADIX_TREE_EXCEPTIONAL_SHIFT,
+ (unsigned long)entry >>
+ RADIX_TREE_EXCEPTIONAL_SHIFT);
} else {
struct ida_bitmap *bitmap = entry;