Adding upstream version 4.19.260.upstream/4.19.260

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 499fb073d..ef730ea82 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2162,6 +2162,7 @@ redo:
 
 	c->page = NULL;
 	c->freelist = NULL;
+	c->tid = next_tid(c->tid);
 }
 
 /*
@@ -2295,8 +2296,6 @@ static inline void flush_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 {
 	stat(s, CPUSLAB_FLUSH);
 	deactivate_slab(s, c->page, c->freelist, c);
-
-	c->tid = next_tid(c->tid);
 }
 
 /*
@@ -2583,6 +2582,7 @@ redo:
 
 	if (!freelist) {
 		c->page = NULL;
+		c->tid = next_tid(c->tid);
 		stat(s, DEACTIVATE_BYPASS);
 		goto new_slab;
 	}
@@ -5688,7 +5688,8 @@ static char *create_unique_id(struct kmem_cache *s)
 	char *name = kmalloc(ID_STR_LENGTH, GFP_KERNEL);
 	char *p = name;
 
-	BUG_ON(!name);
+	if (!name)
+		return ERR_PTR(-ENOMEM);
 
 	*p++ = ':';
 	/*
@@ -5770,6 +5771,8 @@ static int sysfs_slab_add(struct kmem_cache *s)
 		 * for the symlinks.
 		 */
 		name = create_unique_id(s);
+		if (IS_ERR(name))
+			return PTR_ERR(name);
 	}
 
 	s->kobj.kset = kset;