Re: [PATCH] mm: vmalloc: Use the vmap_area_lock to protect ne_fit_preload_node

[Sebastian Andrzej Siewior]

On 2019-10-04 19:04:11 [+0200], Uladzislau Rezki wrote:
> if another, we can free the object allocated on previous step if
> it already has it. If another CPU does not have it, save it in 
> ne_fit_preload_node for another current CPU to reuse later. Further
> we can not migrate because of:
> 
> <snip>
>     spin_lock(&vmap_area_lock);
>     preempt_enable();
> <snip>

ah right. So you keep the lock later on, I somehow missed that part.
That way it actually makes sense.

Sebastian