X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fhugetlb.c;h=ab171274ef217817291667bee226b45bebe259e3;hb=3f6602ad56dc538a846367bd6a05ac7ac4d3e641;hp=bbf953eeb58bafbad0016a6f73db4844e5514c22;hpb=d626e3bf728c47746f2129aa00c775d4e8c2a73b;p=linux-2.6

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index bbf953eeb5..ab171274ef 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -785,7 +785,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
 			continue;
 
 		spin_lock(&dst->page_table_lock);
-		spin_lock(&src->page_table_lock);
+		spin_lock_nested(&src->page_table_lock, SINGLE_DEPTH_NESTING);
 		if (!huge_pte_none(huge_ptep_get(src_pte))) {
 			if (cow)
 				huge_ptep_set_wrprotect(src, addr, src_pte);