Retaining old loader after rotation in child activity

I have a problem with using old loader in new activity. Situation : I use AsyncTaskLoader in my application and call initLoader() in activity's onCreate() method to get some information from the internet, then I launch child activity,rotate device and press back button. After these actions initLoader() calls, but it does not get old loader, it creates a new one. So I have following questiolns:

When loader manager reattach old loaders to new activity?

How I can solve problem of retaining old loader?

PS When I rotate device without leaving activity, it's all ok.

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