From: Matthew Wilcox Date: Sun, 10 Jun 2018 11:34:39 +0000 (-0400) Subject: mm: Convert is_page_cache_freeable to XArray X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=67891ffff2f5cf10e89e348207f687a05c8bd2d6;p=openwrt%2Fstaging%2Fblogic.git mm: Convert is_page_cache_freeable to XArray This is just a variable rename and comment change. Signed-off-by: Matthew Wilcox --- diff --git a/mm/vmscan.c b/mm/vmscan.c index 80f731cf974e..f9cc86e91812 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)