[PATCH] init: fix allocated page overlapping with PTR_ERR

[Nam Cao]

On 2024-04-18 Nam Cao wrote:
> > Mike hints that's *not* the case
> > (https://lore.kernel.org/linux-riscv/ZiAkRMUfiPDUGPdL@kernel.org/).
> > memblock_reserve() should disallow allocation as well, no?
> 
> He said it can't be removed if we set max_low_pfn instead of using
> memblock_reserve()
> 
> If max_low_pfn() is used, then it can be removed:
     ^ I mean memblock_reserve()

> https://lore.kernel.org/linux-riscv/Zh6n-nvnQbL-0xss@kernel.org
> 
> Best regards,
> Nam
>