Re: [PATCH v11 02/13] mm: apply_to_pte_range warn and fail if a large pte is encountered

2021-01-26 Thread Miaohe Lin
Hi: On 2021/1/26 12:44, Nicholas Piggin wrote: > apply_to_pte_range might mistake a large pte for bad, or treat it as a > page table, resulting in a crash or corruption. Add a test to warn and > return error if large entries are found. > > Reviewed-by: Christoph Hellwig > Signed-off-by: Nicholas

[PATCH v11 02/13] mm: apply_to_pte_range warn and fail if a large pte is encountered

2021-01-25 Thread Nicholas Piggin
apply_to_pte_range might mistake a large pte for bad, or treat it as a page table, resulting in a crash or corruption. Add a test to warn and return error if large entries are found. Reviewed-by: Christoph Hellwig Signed-off-by: Nicholas Piggin --- mm/memory.c | 66