Re: [PATCH] mm/filemap: Fix a typo in comment "unneccssary"->"unnecessary"

[Matthew Wilcox]

On Sat, Apr 11, 2020 at 02:51:41PM +0800, Ethon Paul wrote:
> @@ -1259,7 +1259,7 @@ EXPORT_SYMBOL_GPL(add_page_wait_queue);
>   * instead.
>   *
>   * The read of PG_waiters has to be after (or concurrently with) PG_locked
> - * being cleared, but a memory barrier should be unneccssary since it is
> + * being cleared, but a memory barrier should be unnecessary since it is
>   * in the same byte as PG_locked.
>   */
>  static inline bool clear_bit_unlock_is_negative_byte(long nr, volatile void *mem)

This will conflict with the patch series I sent here:
<20200326122429.20710-1-willy@xxxxxxxxxxxxx>

which deletes the entire comment.