radix-tree,shmem: introduce radix_tree_iter_next()

[linux-2.6-microblaze.git] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index 91c0dad..9428c51 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -376,7 +376,6 @@ unsigned long shmem_partial_swap_usage(struct address_space *mapping,
 
        rcu_read_lock();
 
-restart:
        radix_tree_for_each_slot(slot, &mapping->page_tree, &iter, start) {
                if (iter.index >= end)
                        break;
@@ -393,8 +392,7 @@ restart:
 
                if (need_resched()) {
                        cond_resched_rcu();
-                       start = iter.index + 1;
-                       goto restart;
+                       slot = radix_tree_iter_next(&iter);
                }
        }
 
@@ -1944,7 +1942,6 @@ static void shmem_tag_pins(struct address_space *mapping)
        start = 0;
        rcu_read_lock();
 
-restart:
        radix_tree_for_each_slot(slot, &mapping->page_tree, &iter, start) {
                page = radix_tree_deref_slot(slot);
                if (!page || radix_tree_exception(page)) {
@@ -1961,8 +1958,7 @@ restart:
 
                if (need_resched()) {
                        cond_resched_rcu();
-                       start = iter.index + 1;
-                       goto restart;
+                       slot = radix_tree_iter_next(&iter);
                }
        }
        rcu_read_unlock();
@@ -1999,7 +1995,6 @@ static int shmem_wait_for_pins(struct address_space *mapping)
 
                start = 0;
                rcu_read_lock();
-restart:
                radix_tree_for_each_tagged(slot, &mapping->page_tree, &iter,
                                           start, SHMEM_TAG_PINNED) {
 
@@ -2033,8 +2028,7 @@ restart:
 continue_resched:
                        if (need_resched()) {
                                cond_resched_rcu();
-                               start = iter.index + 1;
-                               goto restart;
+                               slot = radix_tree_iter_next(&iter);
                        }
                }
                rcu_read_unlock();