On Tue, Apr 08, 2025 at 12:39:25PM +0800, Eric Naim wrote: > The out-of-tree NVIDIA modules seem to rely on this symbol, is it possible to use EXPORT_SYMBOL() here instead of EXPORT_SYMBOL_GPL(), below is the modpost error: No. They don't have any business using this. In fact vma_start_write should not be exported at all, just the vm_flags_{set,clear,mod} helpers.