slab: fix regression in touched logic

[mirror_ubuntu-bionic-kernel.git] / mm / slab.c

diff --git a/mm/slab.c b/mm/slab.c
index e17cc2c337b8b6d2794a1a92e0117a8dec16bf0a..f9626d51a4b1a4c1750bbbb38aab150af27daab0 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -654,7 +654,7 @@ static void init_node_lock_keys(int q)
 
                l3 = s->cs_cachep->nodelists[q];
                if (!l3 || OFF_SLAB(s->cs_cachep))
-                       return;
+                       continue;
                lockdep_set_class(&l3->list_lock, &on_slab_l3_key);
                alc = l3->alien;
                /*
@@ -665,7 +665,7 @@ static void init_node_lock_keys(int q)
                 * for alloc_alien_cache,
                 */
                if (!alc || (unsigned long)alc == BAD_ALIEN_MAGIC)
-                       return;
+                       continue;
                for_each_node(r) {
                        if (alc[r])
                                lockdep_set_class(&alc[r]->lock,
@@ -935,7 +935,6 @@ static int transfer_objects(struct array_cache *to,
 
        from->avail -= nr;
        to->avail += nr;
-       to->touched = 1;
        return nr;
 }
 
@@ -1132,7 +1131,7 @@ static void __cpuinit cpuup_canceled(long cpu)
                if (nc)
                        free_block(cachep, nc->entry, nc->avail, node);
 
-               if (!cpus_empty(*mask)) {
+               if (!cpumask_empty(mask)) {
                        spin_unlock_irq(&l3->list_lock);
                        goto free_array_cache;
                }
@@ -2963,8 +2962,10 @@ retry:
        spin_lock(&l3->list_lock);
 
        /* See if we can refill from the shared array */
-       if (l3->shared && transfer_objects(ac, l3->shared, batchcount))
+       if (l3->shared && transfer_objects(ac, l3->shared, batchcount)) {
+               l3->shared->touched = 1;
                goto alloc_done;
+       }
 
        while (batchcount > 0) {
                struct list_head *entry;