lkml.org 
[lkml]   [2021]   [Apr]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 2/5] mm/huge_memory.c: use page->deferred_list
On Tue, Apr 27, 2021 at 6:32 AM Miaohe Lin <linmiaohe@huawei.com> wrote:
>
> Now that we can represent the location of ->deferred_list instead of
> ->mapping + ->index, make use of it to improve readability.

Reviewed-by: Yang Shi <shy828301@gmail.com>

>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> ---
> mm/huge_memory.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 63ed6b25deaa..76ca1eb2a223 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -2868,7 +2868,7 @@ static unsigned long deferred_split_scan(struct shrinker *shrink,
> spin_lock_irqsave(&ds_queue->split_queue_lock, flags);
> /* Take pin on all head pages to avoid freeing them under us */
> list_for_each_safe(pos, next, &ds_queue->split_queue) {
> - page = list_entry((void *)pos, struct page, mapping);
> + page = list_entry((void *)pos, struct page, deferred_list);
> page = compound_head(page);
> if (get_page_unless_zero(page)) {
> list_move(page_deferred_list(page), &list);
> @@ -2883,7 +2883,7 @@ static unsigned long deferred_split_scan(struct shrinker *shrink,
> spin_unlock_irqrestore(&ds_queue->split_queue_lock, flags);
>
> list_for_each_safe(pos, next, &list) {
> - page = list_entry((void *)pos, struct page, mapping);
> + page = list_entry((void *)pos, struct page, deferred_list);
> if (!trylock_page(page))
> goto next;
> /* split_huge_page() removes page from list on success */
> --
> 2.23.0
>
>

\
 
 \ /
  Last update: 2021-04-27 23:10    [W:0.155 / U:4.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site