Subject: [PATCH] arch/powerpc/mm: Enable compound page check for both THP and HugeTLB

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Fri, 20 Mar 2020 16:02:56 +0530

THP config can result in compound pages. Make sure kernel enables the
PageCompound() check when only THP is enabled.

Signed-off-by: Aneesh Kumar K.V <[email-masked]>
---
 arch/powerpc/mm/mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 9b4f5fb719e0..b03cbddf9054 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -485,7 +485,7 @@ EXPORT_SYMBOL(flush_dcache_page);
 
 void flush_dcache_icache_page(struct page *page)
 {
-#ifdef CONFIG_HUGETLB_PAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLB_PAGE)
 	if (PageCompound(page)) {
 		flush_dcache_icache_hugepage(page);
 		return;
-- 
2.25.1