linux-ext4 - [PATCH] mm,x86: native_pud_clear missing on i386 build

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Date:   Mon, 06 Feb 2017 10:55:52 -0700
From:   Dave Jiang <dave.jiang@...el.com>
To:     akpm@...ux-foundation.org
Cc:     mawilcox@...rosoft.com, linux-nvdimm@...ts.01.org,
        dave.hansen@...ux.intel.com, linux-xfs@...r.kernel.org,
        linux-mm@...ck.org, kirill.shutemov@...ux.intel.com, jack@...e.com,
        dan.j.williams@...el.com, linux-ext4@...r.kernel.org,
        ross.zwisler@...ux.intel.com, vbabka@...e.cz
Subject: [PATCH] mm,x86: native_pud_clear missing on i386 build

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@...el.com>
---
 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));