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SubjectRe: [PATCH v4 2/3] mm/page_alloc.c: add config option to sanitize freed pages
From
2015-05-18 21:04 GMT+08:00 Anisse Astier <anisse@astier.eu>:
> On Mon, May 18, 2015 at 3:02 PM, Pavel Machek <pavel@ucw.cz> wrote:
>>
>> Ok. So there is class of errors where this helps, but you are not
>> aware of any such errors in kernel, so you can't fix them... Right?
>
> Correct.
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i feel your patch is the same as CONFIG_DEBUG_PAGEALLOC ,
the difference is that CONFIG_DEBUG_PAGEALLOC will clear
page to a magic number, while your patch will
clear to zero,
do we really need this duplicated function ?

Thanks


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