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2023 Aug 22
0
[PATCH v4 43/48] drm/ttm: introduce pool_shrink_rwsem
...m/ttm_pool.c
> index c9c9618c0dce..38b4c280725c 100644
> --- a/drivers/gpu/drm/ttm/ttm_pool.c
> +++ b/drivers/gpu/drm/ttm/ttm_pool.c
> @@ -74,6 +74,7 @@ static struct ttm_pool_type global_dma32_uncached[MAX_ORDER + 1];
> static spinlock_t shrinker_lock;
> static struct list_head shrinker_list;
> static struct shrinker *mm_shrinker;
> +static DECLARE_RWSEM(pool_shrink_rwsem);
>
> /* Allocate pages of size 1 << order with the given gfp_flags */
> static struct page *ttm_pool_alloc_page(struct ttm_pool *pool, gfp_t gfp_flags,
> @@ -317,6 +318,7 @@ static unsign...