Revert "include/linux/mm_inline.h: fold __update_lru_size() into its sole caller"

This patch undoes the following refactor: commit 289ccba
("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().

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Yu Zhao <[email protected]>
Reviewed-by: Miaohe Lin <[email protected]>
Acked-by: Brian Geffon <[email protected]>
Acked-by: Jan Alexander Steffens (heftig) <[email protected]>
Acked-by: Oleksandr Natalenko <[email protected]>
Acked-by: Steven Barrett <[email protected]>
Acked-by: Suleiman Souhlal <[email protected]>
Tested-by: Daniel Byrne <[email protected]>
Tested-by: Donald Carr <[email protected]>
Tested-by: Holger Hoffstätte <[email protected]>
Tested-by: Konstantin Kharlamov <[email protected]>
Tested-by: Shuang Zhai <[email protected]>
Tested-by: Sofia Trinh <[email protected]>
Tested-by: Vaibhav Jain <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Aneesh Kumar K.V <[email protected]>
Cc: Barry Song <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Hillf Danton <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Michael Larabel <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Qi Zheng <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: yuzhaogoogle

include/linux/mm_inline.h

@@ -34,7 +34,7 @@ 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)
 {
@@ -43,6 +43,13 @@ 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,
+				long nr_pages)
+{
+	__update_lru_size(lruvec, lru, zid, nr_pages);
 #ifdef CONFIG_MEMCG
 	mem_cgroup_update_lru_size(lruvec, lru, zid, nr_pages);
 #endif