arm64/mm: Poison initmem while freeing with free_reserved_area()
Platform implementation for free_initmem() should poison the memory while freeing it up. Hence pass across POISON_FREE_INITMEM while calling into free_reserved_area(). The same is being followed in the generic fallback for free_initmem() and some other platforms overriding it. Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-kernel@vger.kernel.org Reviewed-by: Steven Price <steven.price@arm.com> Acked-by: Will Deacon <will@kernel.org> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -571,7 +571,7 @@ void free_initmem(void)
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{
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free_reserved_area(lm_alias(__init_begin),
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lm_alias(__init_end),
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0, "unused kernel");
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POISON_FREE_INITMEM, "unused kernel");
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/*
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* Unmap the __init region but leave the VM area in place. This
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* prevents the region from being reused for kernel modules, which
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