HappenLee commented on a change in pull request #4152:
URL: https://github.com/apache/incubator-doris/pull/4152#discussion_r459310624
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File path: be/src/runtime/bufferpool/suballocator.h
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@@ -128,6 +129,10 @@ class Suballocator {
// if list is empty.
std::unique_ptr<Suballocation> PopFreeListHead(int list_idx);
+ // Get the allocation at the head of the free list at index 'list_idx'.
Return nullptr
+ // if list is empty.
+ bool CheckFreeListHead(int list_idx) const;
+
Review comment:
ok，I will change the name
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