On 5/11/22 18:03, Minchan Kim wrote:
Or there might be some code path that really hates a READ_ONCE() in that place.My worry about chaning __get_pfnblock_flags_mask is it's called multiple hot places in mm codes so I didn't want to add overhead to them.
...unless it really does generate the same code as is already there, right? Let me check that real quick. thanks, -- John Hubbard NVIDIA
