Add min_heap_full() which returns a boolean value indicating whether
the heap has reached its maximum capacity.
Signed-off-by: Kuan-Wei Chiu <visitorckw@xxxxxxxxx>
Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>
---
include/linux/min_heap.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/linux/min_heap.h b/include/linux/min_heap.h
index 043de539bf71..d4ec7e749280 100644
--- a/include/linux/min_heap.h
+++ b/include/linux/min_heap.h
@@ -63,6 +63,16 @@ void *__min_heap_peek(struct min_heap_char *heap)
#define min_heap_peek(_heap) \
(__minheap_cast(_heap) __min_heap_peek((min_heap_char *)_heap))
+/* Check if the heap is full. */
+static __always_inline
+bool __min_heap_full(min_heap_char *heap)
+{
+ return heap->nr == heap->size;
+}
+
+#define min_heap_full(_heap) \
+ __min_heap_full((min_heap_char *)_heap)
+
/* Sift the element at pos down the heap. */
static __always_inline
void __min_heapify(min_heap_char *heap, int pos, size_t elem_size,
--
2.34.1
