On Fri, Apr 14, 2023 at 05:08:18PM -0700, Suren Baghdasaryan wrote: > @@ -5223,8 +5230,8 @@ vm_fault_t handle_mm_fault(struct vm_area_struct *vma, unsigned long address, > if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM)) > mem_cgroup_oom_synchronize(false); > } > - > - mm_account_fault(regs, address, flags, ret); > +out: > + mm_account_fault(mm, regs, address, flags, ret); Ah, one more question.. can this cached mm race with a destroying mm (just like the vma race we wanted to avoid)? Still a question only applies to COMPLETE case when mmap read lock can be released. Thanks, > > return ret; > } -- Peter Xu
