lkml.org 
[lkml]   [2023]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] mm/migrate: Convert putback_movable_pages() to use folios
Date
Removes 6 calls to compound_head(), and replaces putback_movable_page()
with putback_movable_folio() as well.

Suggested-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
---
mm/migrate.c | 46 +++++++++++++++++++++++-----------------------
1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index bcde3cbbc8c9..de65f7146ee6 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -129,12 +129,12 @@ int isolate_movable_page(struct page *page, isolate_mode_t mode)
return -EBUSY;
}

-static void putback_movable_page(struct page *page)
+static void putback_movable_folio(struct folio *folio)
{
- const struct movable_operations *mops = page_movable_ops(page);
+ const struct movable_operations *mops = folio_movable_ops(folio);

- mops->putback_page(page);
- ClearPageIsolated(page);
+ mops->putback_page(&folio->page);
+ folio_clear_isolated(folio);
}

/*
@@ -147,33 +147,33 @@ static void putback_movable_page(struct page *page)
*/
void putback_movable_pages(struct list_head *l)
{
- struct page *page;
- struct page *page2;
+ struct folio *folio;
+ struct folio *folio2;

- list_for_each_entry_safe(page, page2, l, lru) {
- if (unlikely(PageHuge(page))) {
- putback_active_hugepage(page);
+ list_for_each_entry_safe(folio, folio2, l, lru) {
+ if (unlikely(folio_test_hugetlb(folio))) {
+ putback_active_hugepage(&folio->page);
continue;
}
- list_del(&page->lru);
+ list_del(&folio->lru);
/*
- * We isolated non-lru movable page so here we can use
- * __PageMovable because LRU page's mapping cannot have
+ * We isolated non-lru movable folio so here we can use
+ * __PageMovable because LRU folio's mapping cannot have
* PAGE_MAPPING_MOVABLE.
*/
- if (unlikely(__PageMovable(page))) {
- VM_BUG_ON_PAGE(!PageIsolated(page), page);
- lock_page(page);
- if (PageMovable(page))
- putback_movable_page(page);
+ if (unlikely(__folio_test_movable(folio))) {
+ VM_BUG_ON_FOLIO(!folio_test_isolated(folio), folio);
+ folio_lock(folio);
+ if (folio_test_movable(folio))
+ putback_movable_folio(folio);
else
- ClearPageIsolated(page);
- unlock_page(page);
- put_page(page);
+ folio_clear_isolated(folio);
+ folio_unlock(folio);
+ folio_put(folio);
} else {
- mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON +
- page_is_file_lru(page), -thp_nr_pages(page));
- putback_lru_page(page);
+ node_stat_mod_folio(folio, NR_ISOLATED_ANON +
+ folio_is_file_lru(folio), -folio_nr_pages(folio));
+ folio_putback_lru(folio);
}
}
}
--
2.38.1
\
 
 \ /
  Last update: 2023-03-26 23:51    [W:0.500 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site