Remove the assumption that a compound page has HPAGE_PMD_NR pins from the page cache. Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Cc: Huang Ying <ying.huang@xxxxxxxxx> --- mm/vmscan.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 99e1796eb833..91b787fff71a 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -722,8 +722,7 @@ static inline int is_page_cache_freeable(struct page *page) * that isolated the page, the page cache and optional buffer * heads at page->private. */ - int page_cache_pins = PageTransHuge(page) && PageSwapCache(page) ? - HPAGE_PMD_NR : 1; + int page_cache_pins = thp_nr_pages(page); return page_count(page) - page_has_private(page) == 1 + page_cache_pins; } -- 2.28.0
