[PATCH v4 03/25] mm/vmstat: Add functions to account folio statistics
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-03-05 04:19:21
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 | 83 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+)
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 506d625163a1..dff5342df07b 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h@@ -402,6 +402,54 @@ 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) +{ + __mod_zone_page_state(folio_zone(folio), item, folio_nr_pages(folio)); +} + +static inline +void __dec_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + __mod_zone_page_state(folio_zone(folio), item, -folio_nr_pages(folio)); +} + +static inline +void inc_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + mod_zone_page_state(folio_zone(folio), item, folio_nr_pages(folio)); +} + +static inline +void dec_zone_folio_stat(struct folio *folio, enum zone_stat_item item) +{ + mod_zone_page_state(folio_zone(folio), item, -folio_nr_pages(folio)); +} + +static inline +void __inc_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + __mod_node_page_state(folio_pgdat(folio), item, folio_nr_pages(folio)); +} + +static inline +void __dec_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + __mod_node_page_state(folio_pgdat(folio), item, -folio_nr_pages(folio)); +} + +static inline +void inc_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + mod_node_page_state(folio_pgdat(folio), item, folio_nr_pages(folio)); +} + +static inline +void dec_node_folio_stat(struct folio *folio, enum node_stat_item item) +{ + mod_node_page_state(folio_pgdat(folio), item, -folio_nr_pages(folio)); +} + static inline void __mod_zone_freepage_state(struct zone *zone, int nr_pages, int migratetype) {
@@ -536,6 +584,24 @@ static inline void __dec_lruvec_page_state(struct page *page, __mod_lruvec_page_state(page, idx, -1); } +static inline void __mod_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx, int val) +{ + __mod_lruvec_page_state(&folio->page, idx, val); +} + +static inline void __inc_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx) +{ + __mod_lruvec_folio_stat(folio, idx, folio_nr_pages(folio)); +} + +static inline void __dec_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx) +{ + __mod_lruvec_folio_stat(folio, idx, -folio_nr_pages(folio)); +} + static inline void inc_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx) {
@@ -560,4 +626,21 @@ static inline void dec_lruvec_page_state(struct page *page, mod_lruvec_page_state(page, idx, -1); } +static inline void mod_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx, int val) +{ + mod_lruvec_page_state(&folio->page, idx, val); +} + +static inline void inc_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx) +{ + mod_lruvec_folio_stat(folio, idx, folio_nr_pages(folio)); +} + +static inline void dec_lruvec_folio_stat(struct folio *folio, + enum node_stat_item idx) +{ + mod_lruvec_folio_stat(folio, idx, -folio_nr_pages(folio)); +} #endif /* _LINUX_VMSTAT_H */
--
2.30.0