[v14,45/74] mm: Convert is_page_cache_freeable to XArray

Commit Message

Matthew Wilcox June 17, 2018, 2 a.m. UTC

This is just a variable rename and comment change.

Signed-off-by: Matthew Wilcox <[e-mail]>
---
 mm/vmscan.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Patch

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 0448b1b366d9..575747728ee6 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -572,12 +572,12 @@  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)