From 67891ffff2f5cf10e89e348207f687a05c8bd2d6 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <willy@infradead.org>
Date: Sun, 10 Jun 2018 07:34:39 -0400
Subject: [PATCH] mm: Convert is_page_cache_freeable to XArray
This is just a variable rename and comment change.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
---
mm/vmscan.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 80f731cf974e0..f9cc86e918121 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -742,12 +742,12 @@ static inline int is_page_cache_freeable(struct page *page)
{
/*
* A freeable page cache page is referenced only by the caller
- * that isolated the page, the page cache radix tree and
- * optional buffer heads at page->private.
+ * that isolated the page, the page cache and optional buffer
+ * heads at page->private.
*/
- int radix_pins = PageTransHuge(page) && PageSwapCache(page) ?
+ int page_cache_pins = PageTransHuge(page) && PageSwapCache(page) ?
HPAGE_PMD_NR : 1;
- return page_count(page) - page_has_private(page) == 1 + radix_pins;
+ return page_count(page) - page_has_private(page) == 1 + page_cache_pins;
}
static int may_write_to_inode(struct inode *inode, struct scan_control *sc)
--
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