linux-kernel - Re: [PATCH v2 02/10] mm: shuffle lru list addition and deletion functions

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Message-ID: <3057fa2e-b84b-fce9-783b-fb2b0adbe08e@huawei.com>
Date:   Wed, 27 Jan 2021 10:14:11 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     Yu Zhao <yuzhao@...gle.com>
CC:     Michal Hocko <mhocko@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Roman Gushchin <guro@...com>, Vlastimil Babka <vbabka@...e.cz>,
        Matthew Wilcox <willy@...radead.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Alex Shi <alex.shi@...ux.alibaba.com>
Subject: Re: [PATCH v2 02/10] mm: shuffle lru list addition and deletion
 functions

On 2021/1/23 6:05, Yu Zhao wrote:
> These functions will call page_lru() in the following patches. Move
> them below page_lru() to avoid the forward declaration.
> 
> Link: https://lore.kernel.org/linux-mm/20201207220949.830352-3-yuzhao@google.com/
> Signed-off-by: Yu Zhao <yuzhao@...gle.com>

Reviewed-by: Miaohe Lin <linmiaohe@...wei.com>

> ---
>  include/linux/mm_inline.h | 42 +++++++++++++++++++--------------------
>  1 file changed, 21 insertions(+), 21 deletions(-)
> 
> diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
> index 8fc71e9d7bb0..2889741f450a 100644
> --- a/include/linux/mm_inline.h
> +++ b/include/linux/mm_inline.h
> @@ -45,27 +45,6 @@ static __always_inline void update_lru_size(struct lruvec *lruvec,
>  #endif
>  }
>  
> -static __always_inline void add_page_to_lru_list(struct page *page,
> -				struct lruvec *lruvec, enum lru_list lru)
> -{
> -	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
> -	list_add(&page->lru, &lruvec->lists[lru]);
> -}
> -
> -static __always_inline void add_page_to_lru_list_tail(struct page *page,
> -				struct lruvec *lruvec, enum lru_list lru)
> -{
> -	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
> -	list_add_tail(&page->lru, &lruvec->lists[lru]);
> -}
> -
> -static __always_inline void del_page_from_lru_list(struct page *page,
> -				struct lruvec *lruvec, enum lru_list lru)
> -{
> -	list_del(&page->lru);
> -	update_lru_size(lruvec, lru, page_zonenum(page), -thp_nr_pages(page));
> -}
> -
>  /**
>   * page_lru_base_type - which LRU list type should a page be on?
>   * @page: the page to test
> @@ -125,4 +104,25 @@ static __always_inline enum lru_list page_lru(struct page *page)
>  	}
>  	return lru;
>  }
> +
> +static __always_inline void add_page_to_lru_list(struct page *page,
> +				struct lruvec *lruvec, enum lru_list lru)
> +{
> +	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
> +	list_add(&page->lru, &lruvec->lists[lru]);
> +}
> +
> +static __always_inline void add_page_to_lru_list_tail(struct page *page,
> +				struct lruvec *lruvec, enum lru_list lru)
> +{
> +	update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page));
> +	list_add_tail(&page->lru, &lruvec->lists[lru]);
> +}
> +
> +static __always_inline void del_page_from_lru_list(struct page *page,
> +				struct lruvec *lruvec, enum lru_list lru)
> +{
> +	list_del(&page->lru);
> +	update_lru_size(lruvec, lru, page_zonenum(page), -thp_nr_pages(page));
> +}
>  #endif
>