The patch titled
Subject: mm/vmscan: convert reclaim_pages() to use a folio
has been added to the -mm mm-unstable branch. Its filename is
mm-vmscan-convert-reclaim_pages-to-use-a-folio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmscan-convert-reclaim_pages-to-use-a-folio.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: mm/vmscan: convert reclaim_pages() to use a folio
Date: Fri, 17 Jun 2022 16:42:48 +0100
Remove a few hidden calls to compound_head, saving 76 bytes of text.
Link: https://lkml.kernel.org/r/20220617154248.700416-6-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 25 ++++++++++++-------------
1 file changed, 12 insertions(+), 13 deletions(-)
--- a/mm/vmscan.c~mm-vmscan-convert-reclaim_pages-to-use-a-folio
+++ a/mm/vmscan.c
@@ -2625,34 +2625,33 @@ static unsigned int reclaim_page_list(st
return nr_reclaimed;
}
-unsigned long reclaim_pages(struct list_head *page_list)
+unsigned long reclaim_pages(struct list_head *folio_list)
{
int nid;
unsigned int nr_reclaimed = 0;
- LIST_HEAD(node_page_list);
- struct page *page;
+ LIST_HEAD(node_folio_list);
unsigned int noreclaim_flag;
- if (list_empty(page_list))
+ if (list_empty(folio_list))
return nr_reclaimed;
noreclaim_flag = memalloc_noreclaim_save();
- nid = page_to_nid(lru_to_page(page_list));
+ nid = folio_nid(lru_to_folio(folio_list));
do {
- page = lru_to_page(page_list);
+ struct folio *folio = lru_to_folio(folio_list);
- if (nid == page_to_nid(page)) {
- ClearPageActive(page);
- list_move(&page->lru, &node_page_list);
+ if (nid == folio_nid(folio)) {
+ folio_clear_active(folio);
+ list_move(&folio->lru, &node_folio_list);
continue;
}
- nr_reclaimed += reclaim_page_list(&node_page_list, NODE_DATA(nid));
- nid = page_to_nid(lru_to_page(page_list));
- } while (!list_empty(page_list));
+ nr_reclaimed += reclaim_page_list(&node_folio_list, NODE_DATA(nid));
+ nid = folio_nid(lru_to_folio(folio_list));
+ } while (!list_empty(folio_list));
- nr_reclaimed += reclaim_page_list(&node_page_list, NODE_DATA(nid));
+ nr_reclaimed += reclaim_page_list(&node_folio_list, NODE_DATA(nid));
memalloc_noreclaim_restore(noreclaim_flag);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-add-vma-iterator.patch
mmap-use-the-vma-iterator-in-count_vma_pages_range.patch
proc-remove-vma-rbtree-use-from-nommu.patch
arm64-remove-mmap-linked-list-from-vdso.patch
parisc-remove-mmap-linked-list-from-cache-handling.patch
powerpc-remove-mmap-linked-list-walks.patch
s390-remove-vma-linked-list-walks.patch
x86-remove-vma-linked-list-walks.patch
xtensa-remove-vma-linked-list-walks.patch
cxl-remove-vma-linked-list-walk.patch
optee-remove-vma-linked-list-walk.patch
um-remove-vma-linked-list-walk.patch
coredump-remove-vma-linked-list-walk.patch
exec-use-vma-iterator-instead-of-linked-list.patch
fs-proc-task_mmu-stop-using-linked-list-and-highest_vm_end.patch
acct-use-vma-iterator-instead-of-linked-list.patch
perf-use-vma-iterator.patch
sched-use-maple-tree-iterator-to-walk-vmas.patch
fork-use-vma-iterator.patch
mm-khugepaged-stop-using-vma-linked-list.patch
mm-ksm-use-vma-iterators-instead-of-vma-linked-list.patch
mm-mlock-use-vma-iterator-and-maple-state-instead-of-vma-linked-list.patch
mm-pagewalk-use-vma_find-instead-of-vma-linked-list.patch
i915-use-the-vma-iterator.patch
nommu-remove-uses-of-vma-linked-list.patch
mm-vmscan-convert-reclaim_clean_pages_from_list-to-folios.patch
mm-vmscan-convert-isolate_lru_pages-to-use-a-folio.patch
mm-vmscan-convert-move_pages_to_lru-to-use-a-folio.patch
mm-vmscan-convert-shrink_active_list-to-use-a-folio.patch
mm-vmscan-convert-reclaim_pages-to-use-a-folio.patch
