On Thu, Dec 22, 2022 at 08:00:21PM +0100, Uladzislau Rezki (Sony) wrote: > --- a/mm/vmalloc.c > +++ b/mm/vmalloc.c > @@ -2252,7 +2252,7 @@ void vm_unmap_ram(const void *mem, unsigned int count) > return; > } > > - va = find_vmap_area(addr); > + va = find_unlink_vmap_area(addr); > BUG_ON(!va); > debug_check_no_locks_freed((void *)va->va_start, > (va->va_end - va->va_start)); Don't we also need to remove the manual unlink that was done here previously? Actually it seems like that manual unlink is missing after patch 1, creating a bisection hazard. So either add it there, or just fold this patch into the previous one.