X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmremap.c;h=7c15cf3373ad0d0e94ba6f5b74145339da0052d3;hb=c547fc28ab3e8716076fdaf4bd0260c5d63a18f7;hp=1903bdf65e428d88e5bf124243d99ee7ab7c51e3;hpb=fb7ffeb11bb7e9e75dc83ff67a4925c270e0fa3c;p=linux-2.6

diff --git a/mm/mremap.c b/mm/mremap.c
index 1903bdf65e..7c15cf3373 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -97,7 +97,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
  	new_pte = pte_offset_map_nested(new_pmd, new_addr);
 	new_ptl = pte_lockptr(mm, new_pmd);
 	if (new_ptl != old_ptl)
-		spin_lock(new_ptl);
+		spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
 
 	for (; old_addr < old_end; old_pte++, old_addr += PAGE_SIZE,
 				   new_pte++, new_addr += PAGE_SIZE) {