Re: [PATCH] Export mm_update_next_owner function for unuse_mm.

[Matthew Wilcox]

On Tue, Dec 18, 2018 at 11:42:11AM +0800, gchen.guomin@xxxxxxxxx wrote:
> +EXPORT_SYMBOL(mm_update_next_owner);

Unless you've figured out how to build mmu_context.c as a module, you
don't need to EXPORT the symbol.  Just the below hunk is enough.

> diff --git a/mm/mmu_context.c b/mm/mmu_context.c
> index 3e612ae..9eb81aa 100644
> --- a/mm/mmu_context.c
> +++ b/mm/mmu_context.c
> @@ -60,5 +60,6 @@ void unuse_mm(struct mm_struct *mm)
>  	/* active_mm is still 'mm' */
>  	enter_lazy_tlb(mm, tsk);
>  	task_unlock(tsk);
> +	mm_update_next_owner(mm);
>  }
>  EXPORT_SYMBOL_GPL(unuse_mm);
> -- 
> 1.8.3.1
>