mm: add context argument to shrinker callback to remaining shrinkers

Add the shrinkers missed in the first conversion of the API in
commit 7f8275d0 ("mm: add context argument to
shrinker callback").
Signed-off-by: Dave Chinner <dchinner@redhat.com>

drivers/gpu/drm/ttm/ttm_page_alloc.c

@@ -394,7 +394,7 @@ static int ttm_pool_get_num_unused_pages(void)
 /**
  * Callback for mm to request pool to reduce number of page held.
  */
-static int ttm_pool_mm_shrink(int shrink_pages, gfp_t gfp_mask)
+static int ttm_pool_mm_shrink(struct shrinker *shrink, int shrink_pages, gfp_t gfp_mask)
 {
 	static atomic_t start_pool = ATOMIC_INIT(0);
 	unsigned i;

net/sunrpc/auth.c

@@ -267,7 +267,7 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
  * Run memory cache shrinker.
  */
 static int
-rpcauth_cache_shrinker(int nr_to_scan, gfp_t gfp_mask)
+rpcauth_cache_shrinker(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
 {
 	LIST_HEAD(free);
 	int res;