[PATCH 05/13] lib min_heap: Add min_heap_init()

Kuan-Wei Chiu
2024-03-19T18:00:38Z

Add min_heap_init() for initializing heap with data, nr, and size.

Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
---
include/linux/min_heap.h | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/include/linux/min_heap.h b/include/linux/min_heap.h
index c3635a7fdb88..ed462f194b88 100644
--- a/include/linux/min_heap.h
+++ b/include/linux/min_heap.h
@@ -44,6 +44,18 @@ struct min_heap_callbacks {
void (*swp)(void *lhs, void *rhs);
};

+/* Initialize a min-heap. */
+static __always_inline
+void __min_heap_init(struct __min_heap *heap, void *data, int size)
+{
+ heap->data = data;
+ heap->nr = 0;
+ heap->size = size;
+}
+
+#define min_heap_init(_heap, _data, _size) \
+ __min_heap_init(&(_heap)->heap, _data, _size)
+
/* Sift the element at pos down the heap. */
static __always_inline
void __min_heapify(struct __min_heap *heap, int pos, size_t elem_size,
--
2.34.1