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Date: Thu, 20 Aug 2020 00:18:33 +0200
From: Jirka Hladky <>
To: Alexander Potapenko <>
Subject: init_on_alloc/init_on_free boot options

Hi Alex,

Could you please help me to clarify the purpose of init_on_alloc=1
when init_on_free is enabled?

If I get it right, init_on_free=1 alone guarantees that the memory
returned by the page allocator and SL[AU]B is initialized with zeroes.
What is the purpose of init_on_alloc=1 in that case? We are zeroing
memory twice, or am I missing something?

Thanks a lot!

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