X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmempolicy.c;h=e9493b1c1117a4090fa8998b9ea2e29c1239ebbc;hb=0aedadf91a70a11c4a3e7c7d99b21e5528af8d5d;hp=36f42573a3352fa6ba452eea2d76ed2021c8605c;hpb=5a439c565799cb8d290d71ce375e86be64d43a4b;p=linux-2.6-omap-h63xx.git

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 36f42573a33..e9493b1c111 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -489,12 +489,6 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
 	int err;
 	struct vm_area_struct *first, *vma, *prev;
 
-	if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
-
-		err = migrate_prep();
-		if (err)
-			return ERR_PTR(err);
-	}
 
 	first = find_vma(mm, start);
 	if (!first)
@@ -809,9 +803,13 @@ int do_migrate_pages(struct mm_struct *mm,
 	const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags)
 {
 	int busy = 0;
-	int err = 0;
+	int err;
 	nodemask_t tmp;
 
+	err = migrate_prep();
+	if (err)
+		return err;
+
 	down_read(&mm->mmap_sem);
 
 	err = migrate_vmas(mm, from_nodes, to_nodes, flags);
@@ -974,6 +972,12 @@ static long do_mbind(unsigned long start, unsigned long len,
 		 start, start + len, mode, mode_flags,
 		 nmask ? nodes_addr(*nmask)[0] : -1);
 
+	if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
+
+		err = migrate_prep();
+		if (err)
+			return err;
+	}
 	down_write(&mm->mmap_sem);
 	vma = check_range(mm, start, end, nmask,
 			  flags | MPOL_MF_INVERT, &pagelist);