[PATCH v2 03/27] mm/vmstat: Add folio stat wrappers
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-01-18 17:21:25
Also in:
linux-fsdevel, lkml
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
Allow page counters to be more readily modified by callers which have a folio. Name these wrappers with 'stat' instead of 'state' as requested by Linus here: https://lore.kernel.org/linux-mm/CAHk-=wj847SudR-kt+46fT3+xFFgiwpgThvm7DJWGdi4cVrbnQ@mail.gmail.com/ (local) Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/linux/vmstat.h | 60 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+)
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 773135fc6e19..3c3373c2c3c2 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h@@ -396,6 +396,54 @@ static inline void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) { } #endif /* CONFIG_SMP */ +static inline +void __inc_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + __inc_zone_page_state(&folio->page, item); +} + +static inline +void __dec_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + __dec_zone_page_state(&folio->page, item); +} + +static inline +void inc_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + inc_zone_page_state(&folio->page, item); +} + +static inline +void dec_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + dec_zone_page_state(&folio->page, item); +} + +static inline +void __inc_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + __inc_node_page_state(&folio->page, item); +} + +static inline +void __dec_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + __dec_node_page_state(&folio->page, item); +} + +static inline +void inc_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + inc_node_page_state(&folio->page, item); +} + +static inline +void dec_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + dec_node_page_state(&folio->page, item); +} + static inline void __mod_zone_freepage_state(struct zone *zone, int nr_pages, int migratetype) {
@@ -530,6 +578,18 @@ static inline void __dec_lruvec_page_state(struct page *page, __mod_lruvec_page_state(page, idx, -1); } +static inline void __inc_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx) +{ + __mod_lruvec_page_state(&folio->page, idx, 1); +} + +static inline void __dec_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx) +{ + __mod_lruvec_page_state(&folio->page, idx, -1); +} + static inline void inc_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx) {
--
2.29.2