mm: unexport {,un}lock_page_memcg

Christoph Hellwig · torvalds · commit ab2f9d2d3626 · 2021-11-11T09:34:35.000-08:00
These are only used in built-in core mm code. Link: https://lkml.kernel.org/r/20210820095815.445392-3-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
@@ -2063,7 +2063,6 @@ void lock_page_memcg(struct page *page)
 {
 	folio_memcg_lock(page_folio(page));
 }
-EXPORT_SYMBOL(lock_page_memcg);
 
 static void __folio_memcg_unlock(struct mem_cgroup *memcg)
 {
@@ -2096,7 +2095,6 @@ void unlock_page_memcg(struct page *page)
 {
 	folio_memcg_unlock(page_folio(page));
 }
-EXPORT_SYMBOL(unlock_page_memcg);
 
 struct obj_stock {
 #ifdef CONFIG_MEMCG_KMEM

Original file line number	Diff line number	Diff line change
`@@ -2063,7 +2063,6 @@ void lock_page_memcg(struct page *page)`
`2063`	`2063`	`{`
`2064`	`2064`	`folio_memcg_lock(page_folio(page));`
`2065`	`2065`	`}`
`2066`		`-EXPORT_SYMBOL(lock_page_memcg);`
`2067`	`2066`
`2068`	`2067`	`static void __folio_memcg_unlock(struct mem_cgroup *memcg)`
`2069`	`2068`	`{`
`@@ -2096,7 +2095,6 @@ void unlock_page_memcg(struct page *page)`
`2096`	`2095`	`{`
`2097`	`2096`	`folio_memcg_unlock(page_folio(page));`
`2098`	`2097`	`}`
`2099`		`-EXPORT_SYMBOL(unlock_page_memcg);`
`2100`	`2098`
`2101`	`2099`	`struct obj_stock {`
`2102`	`2100`	`#ifdef CONFIG_MEMCG_KMEM`