[PATCH v2 03/16] include/linux/huge_mm.h: define is_huge_zero_pmd() if !CONFIG_TRANSPARENT_HUGEPAGE

Yu Zhao
2021-04-13T06:56:58Z

Currently is_huge_zero_pmd() only exists when
CONFIG_TRANSPARENT_HUGEPAGE=y. This patch adds the function for
!CONFIG_TRANSPARENT_HUGEPAGE.

Signed-off-by: Yu Zhao <yuzhao@google.com>
---
include/linux/huge_mm.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index ba973efcd369..0ba7b3f9029c 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -443,6 +443,11 @@ static inline bool is_huge_zero_page(struct page *page)
return false;
}

+static inline bool is_huge_zero_pmd(pmd_t pmd)
+{
+ return false;
+}
+
static inline bool is_huge_zero_pud(pud_t pud)
{
return false;
--
2.31.1.295.g9ea45b61b8-goog