X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fhugetlb.c;h=a45d1f0691cecb63e088d02fb3ff287f025e4d78;hb=06b32f3ab6df4c7489729f94bdc7093c72681d4b;hp=eb7180db303326f73f7e099f84e2557e84cc87b1;hpb=3960208f9ca0cf6bdb31c21c59ac0526303f8b34;p=linux-2.6

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index eb7180db30..a45d1f0691 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -326,9 +326,10 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma,
 	pte_t entry;
 
 	entry = pte_mkwrite(pte_mkdirty(*ptep));
-	ptep_set_access_flags(vma, address, ptep, entry, 1);
-	update_mmu_cache(vma, address, entry);
-	lazy_mmu_prot_update(entry);
+	if (ptep_set_access_flags(vma, address, ptep, entry, 1)) {
+		update_mmu_cache(vma, address, entry);
+		lazy_mmu_prot_update(entry);
+	}
 }