Re: [PATCH] mm, page_alloc: really disable DEBUG_PAGEALLOC with hibernation

From: Krzysztof Kozlowski
Date: Wed May 19 2021 - 11:43:43 EST


On 19/05/2021 11:38, Vlastimil Babka wrote:
> On 5/19/21 5:28 PM, Krzysztof Kozlowski wrote:
>> The documentation of DEBUG_PAGEALLOC states that it cannot be used with
>> hibernation, however the Kconfig entry would allow it if
>> ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC.
>>
>> Fixes: ee3b4290aec0 ("generic debug pagealloc: build fix")
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
>
> Hmm the documentation seems wrong, as going through history it was indeed in
> conflict only on PPC and SPARC.

Indeed, x86 was never marked as a problem, although text/info warning
does not mention specific architectures.
>


Best regards,
Krzysztof