[PATCH -next] mm: shrinkers: initialize spinlock in data section

[Zeng Heng]

Use DEFINE_SPINLOCK to initialize spinlock,
which saves calling spin_lock_init additionally.

There are no logic changes.

Signed-off-by: Zeng Heng <zenghe...@huawei.com>
---
 drivers/gpu/drm/ttm/ttm_pool.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
index 21b61631f73a..b4f931e4007e 100644
--- a/drivers/gpu/drm/ttm/ttm_pool.c
+++ b/drivers/gpu/drm/ttm/ttm_pool.c
@@ -70,7 +70,7 @@ static struct ttm_pool_type global_uncached[MAX_ORDER];
 static struct ttm_pool_type global_dma32_write_combined[MAX_ORDER];
 static struct ttm_pool_type global_dma32_uncached[MAX_ORDER];
 
-static spinlock_t shrinker_lock;
+static DEFINE_SPINLOCK(shrinker_lock);
 static struct list_head shrinker_list;
 static struct shrinker mm_shrinker;
 
@@ -698,7 +698,6 @@ int ttm_pool_mgr_init(unsigned long num_pages)
        if (!page_pool_size)
                page_pool_size = num_pages;
 
-       spin_lock_init(&shrinker_lock);
        INIT_LIST_HEAD(&shrinker_list);
 
        for (i = 0; i < MAX_ORDER; ++i) {
-- 
2.25.1