On Tue, Mar 08, 2022 at 01:10:01PM +0200, Jarkko Sakkinen wrote: > @@ -1619,8 +1622,6 @@ int __mm_populate(unsigned long start, unsigned long len, int ignore_errors) > * range with the first VMA. Also, skip undesirable VMA types. > */ > nend = min(end, vma->vm_end); > - if (vma->vm_flags & (VM_IO | VM_PFNMAP)) > - continue; > if (nstart < vma->vm_start) > nstart = vma->vm_start; > /* This was unintended, i.e. leaked into patch by mistake. I'll send an update. There was one diff missing from staging area. BR, Jarkko