From: Nitin Gupta <nitin.m.gupta@oracle.com>
Date: Fri, 3 Mar 2017 22:40:44 +0000 (-0800)
Subject: sparc64: Fix size check in huge_pte_alloc
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=59f1183dd368f12c0a80da3c91a4a42afa4e1d38;p=openwrt%2Fstaging%2Fblogic.git

sparc64: Fix size check in huge_pte_alloc

Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 323bc6b6e3ad..30168500603e 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -261,7 +261,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
 		if (!pmd)
 			return NULL;
 
-		if (sz == PMD_SHIFT)
+		if (sz >= PMD_SIZE)
 			pte = (pte_t *)pmd;
 		else
 			pte = pte_alloc_map(mm, pmd, addr);