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authorThomas Zimmermann <tzimmermann@suse.de>2022-03-17 11:03:28 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2022-03-17 11:03:28 +0100
commita8253684eb4b30abd3faf055bc475c23da748dc6 (patch)
tree17ddd1543b1f08186b90cd1cf274d969a88ed1f5 /mm/memcontrol.c
parentfc1b6ef7bfb3d1d4df868b1c3e0480cacda6cd81 (diff)
parent09688c0166e76ce2fb85e86b9d99be8b0084cdf9 (diff)
Merge drm/drm-fixes into drm-misc-fixes
Backmerging drm/drm-fixes for commit 3755d35ee1d2 ("drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP"). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 09d342c7cbd0..36e9f38c919d 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -254,7 +254,7 @@ struct mem_cgroup *vmpressure_to_memcg(struct vmpressure *vmpr)
}
#ifdef CONFIG_MEMCG_KMEM
-extern spinlock_t css_set_lock;
+static DEFINE_SPINLOCK(objcg_lock);
bool mem_cgroup_kmem_disabled(void)
{
@@ -298,9 +298,9 @@ static void obj_cgroup_release(struct percpu_ref *ref)
if (nr_pages)
obj_cgroup_uncharge_pages(objcg, nr_pages);
- spin_lock_irqsave(&css_set_lock, flags);
+ spin_lock_irqsave(&objcg_lock, flags);
list_del(&objcg->list);
- spin_unlock_irqrestore(&css_set_lock, flags);
+ spin_unlock_irqrestore(&objcg_lock, flags);
percpu_ref_exit(ref);
kfree_rcu(objcg, rcu);
@@ -332,7 +332,7 @@ static void memcg_reparent_objcgs(struct mem_cgroup *memcg,
objcg = rcu_replace_pointer(memcg->objcg, NULL, true);
- spin_lock_irq(&css_set_lock);
+ spin_lock_irq(&objcg_lock);
/* 1) Ready to reparent active objcg. */
list_add(&objcg->list, &memcg->objcg_list);
@@ -342,7 +342,7 @@ static void memcg_reparent_objcgs(struct mem_cgroup *memcg,
/* 3) Move already reparented objcgs to the parent's list */
list_splice(&memcg->objcg_list, &parent->objcg_list);
- spin_unlock_irq(&css_set_lock);
+ spin_unlock_irq(&objcg_lock);
percpu_ref_kill(&objcg->refcnt);
}