The patch titled
Subject: memcg: remove mem_cgroup_uncharge_list()
has been added to the -mm mm-unstable branch. Its filename is
memcg-remove-mem_cgroup_uncharge_list.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memcg-remove-mem_cgroup_uncharge_list.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: memcg: remove mem_cgroup_uncharge_list()
Date: Tue, 27 Feb 2024 17:42:47 +0000
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@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memcontrol.h | 12 ------------
mm/memcontrol.c | 19 -------------------
2 files changed, 31 deletions(-)
--- a/include/linux/memcontrol.h~memcg-remove-mem_cgroup_uncharge_list
+++ a/include/linux/memcontrol.h
@@ -713,14 +713,6 @@ static inline void mem_cgroup_uncharge(s
__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(s
{
}
-static inline void mem_cgroup_uncharge_list(struct list_head *page_list)
-{
-}
-
static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios)
{
}
--- a/mm/memcontrol.c~memcg-remove-mem_cgroup_uncharge_list
+++ a/mm/memcontrol.c
@@ -7513,25 +7513,6 @@ void __mem_cgroup_uncharge(struct 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;
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-support-order-1-folios-in-the-page-cache.patch
mm-make-folios_put-the-basis-of-release_pages.patch
mm-convert-free_unref_page_list-to-use-folios.patch
mm-add-free_unref_folios.patch
mm-use-folios_put-in-__folio_batch_release.patch
memcg-add-mem_cgroup_uncharge_folios.patch
mm-remove-use-of-folio-list-from-folios_put.patch
mm-use-free_unref_folios-in-put_pages_list.patch
mm-use-__page_cache_release-in-folios_put.patch
mm-handle-large-folios-in-free_unref_folios.patch
mm-allow-non-hugetlb-large-folios-to-be-batch-processed.patch
mm-free-folios-in-a-batch-in-shrink_folio_list.patch
mm-free-folios-directly-in-move_folios_to_lru.patch
memcg-remove-mem_cgroup_uncharge_list.patch
mm-remove-free_unref_page_list.patch
mm-remove-lru_to_page.patch
mm-convert-free_pages_and_swap_cache-to-use-folios_put.patch
mm-use-a-folio-in-__collapse_huge_page_copy_succeeded.patch
mm-convert-free_swap_cache-to-take-a-folio.patch
