On Mon, 24 Aug 2020, Alex Shi wrote:
> Now pgdat.lru_lock was replaced by lruvec lock. It's not used anymore.
>
> Signed-off-by: Alex Shi
> Reviewed-by: Alexander Duyck
I don't take pleasure in spoiling your celebrations and ceremonies,
but I strongly agree with AlexD that this should simply be merged
into the big one, 20/32. That can be ceremony enough.
> Cc: Andrew Morton
> Cc: Konstantin Khlebnikov
> Cc: Hugh Dickins
> Cc: Johannes Weiner
> Cc: linux...@kvack.org
> Cc: linux-kernel@vger.kernel.org
> Cc: cgro...@vger.kernel.org
> ---
> include/linux/mmzone.h | 1 -
> mm/page_alloc.c| 1 -
> 2 files changed, 2 deletions(-)
>
> diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> index f0596e634863..0ed520954843 100644
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -758,7 +758,6 @@ struct deferred_split {
>
> /* Write-intensive fields used by page reclaim */
> ZONE_PADDING(_pad1_)
> - spinlock_t lru_lock;
>
> #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
> /*
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index fab5e97dc9ca..775120fcc869 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -6733,7 +6733,6 @@ static void __meminit pgdat_init_internals(struct
> pglist_data *pgdat)
> init_waitqueue_head(>pfmemalloc_wait);
>
> pgdat_page_ext_init(pgdat);
> - spin_lock_init(>lru_lock);
> lruvec_init(>__lruvec);
> }
>
> --
> 1.8.3.1
