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mm/vmscan: convert reclaim_pages() to use a folio 

Remove a few hidden calls to compound_head, saving 76 bytes of text.

Link: https://lkml.kernel.org/r/20220617154248.700416-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-06-17 16:42:48 +01:00 committed by akpm
parent 07f67a8ded
commit a83f0551f4
1 changed files with 12 additions and 13 deletions
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25
mm/vmscan.c
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@ -2619,34 +2619,33 @@ static unsigned int reclaim_page_list(struct list_head *page_list,
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);