linux-kernel - [PATCH v9 04/14] Revert "include/linux/mm_inline.h: fold __update_lru

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Message-Id: <20220309021230.721028-5-yuzhao@google.com>
Date:   Tue,  8 Mar 2022 19:12:21 -0700
From:   Yu Zhao <yuzhao@...gle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Aneesh Kumar <aneesh.kumar@...ux.ibm.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Hillf Danton <hdanton@...a.com>, Jens Axboe <axboe@...nel.dk>,
        Jesse Barnes <jsbarnes@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Michael Larabel <Michael@...haellarabel.com>,
        Michal Hocko <mhocko@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Rik van Riel <riel@...riel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Will Deacon <will@...nel.org>,
        Ying Huang <ying.huang@...el.com>,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        page-reclaim@...gle.com, x86@...nel.org,
        Yu Zhao <yuzhao@...gle.com>, Brian Geffon <bgeffon@...gle.com>,
        Jan Alexander Steffens <heftig@...hlinux.org>,
        Oleksandr Natalenko <oleksandr@...alenko.name>,
        Steven Barrett <steven@...uorix.net>,
        Suleiman Souhlal <suleiman@...gle.com>,
        Daniel Byrne <djbyrne@....edu>,
        Donald Carr <d@...os-reins.com>,
        "Holger Hoffstätte" 
        <holger@...lied-asynchrony.com>,
        Konstantin Kharlamov <Hi-Angel@...dex.ru>,
        Shuang Zhai <szhai2@...rochester.edu>,
        Sofia Trinh <sofia.trinh@....works>,
        Vaibhav Jain <vaibhav@...ux.ibm.com>
Subject: [PATCH v9 04/14] Revert "include/linux/mm_inline.h: fold
 __update_lru_size() into its sole caller"

This patch undoes the following refactor:
commit 289ccba18af4 ("include/linux/mm_inline.h: fold __update_lru_size() into its sole caller")

The upcoming changes to include/linux/mm_inline.h will reuse
__update_lru_size().

Signed-off-by: Yu Zhao <yuzhao@...gle.com>
Acked-by: Brian Geffon <bgeffon@...gle.com>
Acked-by: Jan Alexander Steffens (heftig) <heftig@...hlinux.org>
Acked-by: Oleksandr Natalenko <oleksandr@...alenko.name>
Acked-by: Steven Barrett <steven@...uorix.net>
Acked-by: Suleiman Souhlal <suleiman@...gle.com>
Tested-by: Daniel Byrne <djbyrne@....edu>
Tested-by: Donald Carr <d@...os-reins.com>
Tested-by: Holger Hoffstätte <holger@...lied-asynchrony.com>
Tested-by: Konstantin Kharlamov <Hi-Angel@...dex.ru>
Tested-by: Shuang Zhai <szhai2@...rochester.edu>
Tested-by: Sofia Trinh <sofia.trinh@....works>
Tested-by: Vaibhav Jain <vaibhav@...ux.ibm.com>
---
 include/linux/mm_inline.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index cf90b1fa2c60..2c24f5ac3e2a 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -32,7 +32,7 @@ static inline int page_is_file_lru(struct page *page)
 	return folio_is_file_lru(page_folio(page));
 }
 
-static __always_inline void update_lru_size(struct lruvec *lruvec,
+static __always_inline void __update_lru_size(struct lruvec *lruvec,
 				enum lru_list lru, enum zone_type zid,
 				long nr_pages)
 {
@@ -41,6 +41,13 @@ static __always_inline void update_lru_size(struct lruvec *lruvec,
 	__mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
 	__mod_zone_page_state(&pgdat->node_zones[zid],
 				NR_ZONE_LRU_BASE + lru, nr_pages);
+}
+
+static __always_inline void update_lru_size(struct lruvec *lruvec,
+				enum lru_list lru, enum zone_type zid,
+				int nr_pages)
+{
+	__update_lru_size(lruvec, lru, zid, nr_pages);
 #ifdef CONFIG_MEMCG
 	mem_cgroup_update_lru_size(lruvec, lru, zid, nr_pages);
 #endif
-- 
2.35.1.616.g0bdcbb4464-goog