On 8/4/20 12:22, Herbert Xu wrote:
> On Tue, Aug 04, 2020 at 12:20:21PM +0800, Liwei Song wrote:
>>
>> Yes, the other process should do this zero work, but the case I met is
>> this address will appear in the slab_alloc_node() as freelist pointer of
>> slub,
>> and before slub do zero wrok, even kzalloc() doesn't work with this address.
>
> That would be memory corruption which has nothing to do with your
> patch. If it is occurring then you should fix the place that is
> corrupting the memory and not work around it like this.
OK, understand, thanks for your suggestion.
Liwei.
>
> Cheers,
>
