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fix(heap): fix a bug where the biggest heap would be NULL on boot

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Closes https://github.com/espressif/esp-idf/issues/17232
This commit is contained in:
Omar Chebib
2025-08-04 16:33:21 +08:00
committed by BOT
parent 0fd9f0aa93
commit 8db6882503
1 changed files with 7 additions and 3 deletions
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components/heap/heap_task_info.c
+7 -3
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@@ -57,12 +57,16 @@ FORCE_INLINE_ATTR heap_t* find_biggest_heap(void)
heap_t *heap = NULL; heap_t *heap = NULL;
heap_t *biggest_heap = NULL; heap_t *biggest_heap = NULL;
SLIST_FOREACH(heap, &registered_heaps, next) { SLIST_FOREACH(heap, &registered_heaps, next) {
if (biggest_heap == NULL) { /* In the case where we are currently looking for the biggest heap during startup,
* before the scheduler stated, all the memory regions marked as startup stacks will
* be NULL here. As such, they must be ignored. After boot up, this statement will
* never be true. */
if (heap->heap == NULL) {
/* Continue the loop */
} else if (biggest_heap == NULL) {
biggest_heap = heap; biggest_heap = heap;
} else if ((biggest_heap->end - biggest_heap->start) < (heap->end - heap->start)) { } else if ((biggest_heap->end - biggest_heap->start) < (heap->end - heap->start)) {
biggest_heap = heap; biggest_heap = heap;
} else {
// nothing to do here
} }
} }
return biggest_heap; return biggest_heap;