On 2019/7/8 22:43, Matthew Wilcox wrote: > On Mon, Jul 08, 2019 at 04:05:41PM +0800, zhong jiang wrote: >> As the mman manual says, mmap should return fails when we assign >> the flags to MAP_SHARED | MAP_PRIVATE. >> >> But In fact, We run the code successfully and unexpected. >> It is because MAP_SHARED_VALIDATE is introduced and equal to >> MAP_SHARED | MAP_PRIVATE. > No, you don't understand. Look back at the introduction of > MAP_SHARED_VALIDATE. > > . > Thanks, I will look at the patch deeply. Sincerely, zhong jiang
