On Tue, Mar 30, 2021 at 5:54 PM Vlastimil Babka <vbabka@xxxxxxx> wrote: > > On 3/30/21 5:31 PM, Andrey Konovalov wrote: > > My commit "integrate page_alloc init with HW_TAGS" changed the order of > > kernel_unpoison_pages() and kernel_init_free_pages() calls. This leads > > to __GFP_ZERO allocations being incorrectly poisoned when page poisoning > > is enabled. > > Correction: This leads to check_poison_mem() complain about memory corruption > because the poison pattern has already been overwritten by zeroes. Ah, indeed. Will send v2. Thanks!