From 4ea1a109a5b68611f3092292e372297d5cc53937 Mon Sep 17 00:00:00 2001
From: qnsy729 <735178559@qq.com>
Date: Fri, 27 Mar 2026 18:36:07 +0800
Subject: [PATCH] Add comments to newBitMapAllocator in
 pkg/ddc/base/portallocator/bitmap_allocator.go.

Signed-off-by: qnsy729 <735178559@qq.com>
---
 pkg/ddc/base/portallocator/bitmap_allocator.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/ddc/base/portallocator/bitmap_allocator.go b/pkg/ddc/base/portallocator/bitmap_allocator.go
index 76759b89003..df290bee94e 100644
--- a/pkg/ddc/base/portallocator/bitmap_allocator.go
+++ b/pkg/ddc/base/portallocator/bitmap_allocator.go
@@ -35,6 +35,9 @@ func (b *BitMapAllocator) needResetReservedPorts() bool {
 	return true
 }
 
+// newBitMapAllocator creates a bitmap-based port allocator for the given port range.
+// It initializes the underlying allocator and returns a BitMapAllocator instance.
+// It returns an error if the allocator cannot be created.
 func newBitMapAllocator(pr *net.PortRange, log logr.Logger) (BatchAllocatorInterface, error) {
 	// TODO passing offset value.
 	alloc, err := portallocator.New(*pr, func(max int, rangeSpec string, offset int) (allocator.Interface, error) {