From e0cd5e7ffa549487cf1a85452f371274cbf0a8f1 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Mon, 17 Jan 2022 23:35:57 -0500
Subject: mm/vmscan: Convert pageout() to take a folio
We always write out an entire folio at once. This conversion removes
a few calls to compound_head() and gets the NR_VMSCAN_WRITE statistic
right when writing out a large folio.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/trace/events/vmscan.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
(limited to 'include/trace')
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index ca2e9009a651..de136dbd623a 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -327,11 +327,11 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
__print_symbolic(__entry->lru, LRU_NAMES))
);
-TRACE_EVENT(mm_vmscan_writepage,
+TRACE_EVENT(mm_vmscan_write_folio,
- TP_PROTO(struct page *page),
+ TP_PROTO(struct folio *folio),
- TP_ARGS(page),
+ TP_ARGS(folio),
TP_STRUCT__entry(
__field(unsigned long, pfn)
@@ -339,9 +339,9 @@ TRACE_EVENT(mm_vmscan_writepage,
),
TP_fast_assign(
- __entry->pfn = page_to_pfn(page);
+ __entry->pfn = folio_pfn(folio);
__entry->reclaim_flags = trace_reclaim_flags(
- page_is_file_lru(page));
+ folio_is_file_lru(folio));
),
TP_printk("page=%p pfn=0x%lx flags=%s",
--
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