[PATCH v9 41/96] mm/workingset: Convert workingset_activation to take a folio
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-05-05 16:00:15
Also in:
linux-fsdevel, linux-mm
Subsystem:
memory management, memory management - mglru (multi-gen lru), memory management - reclaim, memory management - swap, the rest · Maintainers:
Andrew Morton, Johannes Weiner, Chris Li, Kairui Song, Linus Torvalds
This function already assumed it was being passed a head page. No real change here, except that thp_nr_pages() compiles away on kernels with THP compiled out while folio_nr_pages() is always present. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/linux/swap.h | 2 +- mm/swap.c | 2 +- mm/workingset.c | 10 +++++----- 3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 76b2338ef24d..8e0118b25bdc 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h@@ -324,7 +324,7 @@ static inline swp_entry_t folio_swap_entry(struct folio *folio) void workingset_age_nonresident(struct lruvec *lruvec, unsigned long nr_pages); void *workingset_eviction(struct page *page, struct mem_cgroup *target_memcg); void workingset_refault(struct page *page, void *shadow); -void workingset_activation(struct page *page); +void workingset_activation(struct folio *folio); /* Only track the nodes of mappings with shadow entries */ void workingset_update_node(struct xa_node *node);
diff --git a/mm/swap.c b/mm/swap.c
index 6caca11cd2ec..828889349b0b 100644
--- a/mm/swap.c
+++ b/mm/swap.c@@ -445,7 +445,7 @@ void mark_page_accessed(struct page *page) else __lru_cache_activate_page(page); ClearPageReferenced(page); - workingset_activation(page); + workingset_activation(page_folio(page)); } if (page_is_idle(page)) clear_page_idle(page);
diff --git a/mm/workingset.c b/mm/workingset.c
index b7cdeca5a76d..d969403f2b2a 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c@@ -390,9 +390,9 @@ void workingset_refault(struct page *page, void *shadow) /** * workingset_activation - note a page activation - * @page: page that is being activated + * @folio: Folio that is being activated. */ -void workingset_activation(struct page *page) +void workingset_activation(struct folio *folio) { struct mem_cgroup *memcg; struct lruvec *lruvec;
@@ -405,11 +405,11 @@ void workingset_activation(struct page *page) * XXX: See workingset_refault() - this should return * root_mem_cgroup even for !CONFIG_MEMCG. */ - memcg = page_memcg_rcu(page); + memcg = page_memcg_rcu(&folio->page); if (!mem_cgroup_disabled() && !memcg) goto out; - lruvec = mem_cgroup_page_lruvec(page, page_pgdat(page)); - workingset_age_nonresident(lruvec, thp_nr_pages(page)); + lruvec = mem_cgroup_folio_lruvec(folio, folio_pgdat(folio)); + workingset_age_nonresident(lruvec, folio_nr_pages(folio)); out: rcu_read_unlock(); }
--
2.30.2