The patch titled
Subject: mm: delete the unused put_pages_list()
has been added to the -mm mm-unstable branch. Its filename is
mm-delete-the-unused-put_pages_list.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-delete-the-unused-put_pages_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: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: mm: delete the unused put_pages_list()
Date: Sun, 27 Oct 2024 13:14:42 -0700 (PDT)
The last user of put_pages_list() converted away from it in 6.10 commit
06c375053cef ("iommu/vt-d: add wrapper functions for page allocations"):
delete put_pages_list().
Link: https://lkml.kernel.org/r/d9985d6a-293e-176b-e63d-82fdfd28c139@xxxxxxxxxx
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
Acked-by: Peter Xu <peterx@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Yang Shi <shy828301@xxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 2 --
mm/swap.c | 31 -------------------------------
2 files changed, 33 deletions(-)
--- a/include/linux/mm.h~mm-delete-the-unused-put_pages_list
+++ a/include/linux/mm.h
@@ -1286,8 +1286,6 @@ static inline struct folio *virt_to_foli
void __folio_put(struct folio *folio);
-void put_pages_list(struct list_head *pages);
-
void split_page(struct page *page, unsigned int order);
void folio_copy(struct folio *dst, struct folio *src);
int folio_mc_copy(struct folio *dst, struct folio *src);
--- a/mm/swap.c~mm-delete-the-unused-put_pages_list
+++ a/mm/swap.c
@@ -127,37 +127,6 @@ void __folio_put(struct folio *folio)
}
EXPORT_SYMBOL(__folio_put);
-/**
- * put_pages_list() - release a list of pages
- * @pages: list of pages threaded on page->lru
- *
- * Release a list of pages which are strung together on page.lru.
- */
-void put_pages_list(struct list_head *pages)
-{
- struct folio_batch fbatch;
- struct folio *folio, *next;
-
- folio_batch_init(&fbatch);
- list_for_each_entry_safe(folio, next, pages, lru) {
- if (!folio_put_testzero(folio))
- continue;
- if (folio_test_hugetlb(folio)) {
- free_huge_folio(folio);
- continue;
- }
- /* LRU flag must be clear because it's passed using the lru */
- if (folio_batch_add(&fbatch, folio) > 0)
- continue;
- free_unref_folios(&fbatch);
- }
-
- if (fbatch.nr)
- free_unref_folios(&fbatch);
- INIT_LIST_HEAD(pages);
-}
-EXPORT_SYMBOL(put_pages_list);
-
typedef void (*move_fn_t)(struct lruvec *lruvec, struct folio *folio);
static void lru_add(struct lruvec *lruvec, struct folio *folio)
_
Patches currently in -mm which might be from hughd@xxxxxxxxxx are
mm-delete-the-unused-put_pages_list.patch
