From: Christoph Hellwig <hch@xxxxxx>
Subject: mm: unexport folio_memcg_{,un}lock
Patch series "unexport memcg locking helpers".
Neither the old page-based nor the new folio-based memcg locking helpers
are used in modular code at all, so drop the exports.
This patch (of 2):
folio_memcg_{,un}lock are only used in built-in core mm code.
Link: https://lkml.kernel.org/r/20210820095815.445392-1-hch@xxxxxx
Link: https://lkml.kernel.org/r/20210820095815.445392-2-hch@xxxxxx
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 2 --
1 file changed, 2 deletions(-)
--- a/mm/memcontrol.c~mm-unexport-folio_memcg_unlock
+++ a/mm/memcontrol.c
@@ -2058,7 +2058,6 @@ again:
memcg->move_lock_task = current;
memcg->move_lock_flags = flags;
}
-EXPORT_SYMBOL(folio_memcg_lock);
void lock_page_memcg(struct page *page)
{
@@ -2092,7 +2091,6 @@ void folio_memcg_unlock(struct folio *fo
{
__folio_memcg_unlock(folio_memcg(folio));
}
-EXPORT_SYMBOL(folio_memcg_unlock);
void unlock_page_memcg(struct page *page)
{
_
