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memcg: remove mem_cgroup_uncharge_list()

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All users have been converted to mem_cgroup_uncharge_folios() so we can
remove this API.

Link: https://lkml.kernel.org/r/20240227174254.710559-14-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-02-27 17:42:47 +00:00 committed by Andrew Morton
parent 29f3843026
commit be5a9e17a2
2 changed files with 0 additions and 31 deletions
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12
include/linux/memcontrol.h
View File

@ -713,14 +713,6 @@ static inline void mem_cgroup_uncharge(struct folio *folio)
__mem_cgroup_uncharge(folio);
}
void __mem_cgroup_uncharge_list(struct list_head *page_list);
static inline void mem_cgroup_uncharge_list(struct list_head *page_list)
{
if (mem_cgroup_disabled())
return;
__mem_cgroup_uncharge_list(page_list);
}
void __mem_cgroup_uncharge_folios(struct folio_batch *folios);
static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios)
{
@ -1301,10 +1293,6 @@ static inline void mem_cgroup_uncharge(struct folio *folio)
{
}
static inline void mem_cgroup_uncharge_list(struct list_head *page_list)
{
}
static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios)
{
}

19
mm/memcontrol.c
View File

@ -7513,25 +7513,6 @@ void __mem_cgroup_uncharge(struct folio *folio)
uncharge_batch(&ug);
}
/**
* __mem_cgroup_uncharge_list - uncharge a list of page
* @page_list: list of pages to uncharge
*
* Uncharge a list of pages previously charged with
* __mem_cgroup_charge().
*/
void __mem_cgroup_uncharge_list(struct list_head *page_list)
{
struct uncharge_gather ug;
struct folio *folio;
uncharge_gather_clear(&ug);
list_for_each_entry(folio, page_list, lru)
uncharge_folio(folio, &ug);
if (ug.memcg)
uncharge_batch(&ug);
}
void __mem_cgroup_uncharge_folios(struct folio_batch *folios)
{
struct uncharge_gather ug;