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, >
