Revert "msm: kgsl: Stop slab shrinker when no more pages can be recla…

…imed"

This reverts commit 448c77f.

drivers/gpu/msm/kgsl_pool.c

@@ -431,16 +431,12 @@ kgsl_pool_shrink_scan_objects(struct shrinker *shrinker,
 	/* nr represents number of pages to be removed*/
 	int nr = sc->nr_to_scan;
 	int total_pages = kgsl_pool_size_total();
-	unsigned long ret;
 
 	/* Target pages represents new  pool size */
 	int target_pages = (nr > total_pages) ? 0 : (total_pages - nr);
 
 	/* Reduce pool size to target_pages */
-	ret = kgsl_pool_reduce(target_pages, false);
-
-	/* If we are unable to shrink more, stop trying */
-	return (ret == 0) ? SHRINK_STOP : ret;
+	return kgsl_pool_reduce(target_pages, false);
 }
 
 static unsigned long