[PATCH] mm,x86: native_pud_clear missing on i386 build

[Dave Jiang <dave.jiang@xxxxxxxxx>]

Missing dummy function native_pud_clear() for 32bit x86 build caught
by 0-day build.

Fix: a10a1701 mm, x86: add support for PUD-sized transparent hugepages

Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
 arch/x86/include/asm/pgtable-3level.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index be759ff..50d35e3 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -121,6 +121,10 @@ static inline void native_pmd_clear(pmd_t *pmd)
 	*(tmp + 1) = 0;
 }
 
+static inline void native_pud_clear(pud_t *pudp)
+{
+}
+
 static inline void pud_clear(pud_t *pudp)
 {
 	set_pud(pudp, __pud(0));