On Tue 07-01-20 21:09:42, lantianyu1986@xxxxxxxxx wrote: > From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx> > > Hyper-V balloon driver will use is_mem_section_removable() to > check whether memory block is removable or not when receive > memory hot remove msg. Expose it. I do not think this is a good idea. The check is inherently racy. Why cannot the balloon driver simply hotremove the region when asked? -- Michal Hocko SUSE Labs
