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mm/swap: Add folio_activate()

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This replaces activate_page() and eliminates lots of calls to
compound_head().  Saves net 118 bytes of kernel text.  There are still
some redundant calls to page_folio() here which will be removed when
pagevec_lru_move_fn() is converted to use folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Matthew Wilcox (Oracle)
2021-04-27 10:37:50 -04:00
parent 35a020ba08
commit f2d273927e
2 changed files with 28 additions and 27 deletions
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include/trace/events/pagemap.h
+6 -8
View File
@@ -60,23 +60,21 @@ TRACE_EVENT(mm_lru_insertion,
TRACE_EVENT(mm_lru_activate,
TP_PROTO(struct page *page),
TP_PROTO(struct folio *folio),
TP_ARGS(page),
TP_ARGS(folio),
TP_STRUCT__entry(
__field(struct page *, page )
__field(struct folio *, folio )
__field(unsigned long, pfn )
),
TP_fast_assign(
__entry->page = page;
__entry->pfn = page_to_pfn(page);
__entry->folio = folio;
__entry->pfn = folio_pfn(folio);
),
/* Flag format is based on page-types.c formatting for pagemap */
TP_printk("page=%p pfn=0x%lx", __entry->page, __entry->pfn)
TP_printk("folio=%p pfn=0x%lx", __entry->folio, __entry->pfn)
);
#endif /* _TRACE_PAGEMAP_H */