Add support for one single cluster (all cpus) on C-EDF

- With the "ALL" cluster size option the behavior of C-EDF is
  equivalent to G-EDF (one single cluster)

1 files changed, 5 insertions, 1 deletions

diff --git a/litmus/litmus.c b/litmus/litmus.c
index 86ad5b375934..b71fc819eb51 100644
--- a/litmus/litmus.c
+++ b/litmus/litmus.c
@@ -582,8 +582,10 @@ static int proc_read_cluster_size(char *page, char **start,
                 len = snprintf(page, PAGE_SIZE, "L2\n");
         else if (cluster_cache_index == 3)
                 len = snprintf(page, PAGE_SIZE, "L3\n");
-        else /* (cluster_cache_index == 1) */
+        else if (cluster_cache_index == 1)
                 len = snprintf(page, PAGE_SIZE, "L1\n");
+        else
+                len = snprintf(page, PAGE_SIZE, "ALL\n");
 
         return len;
 }
@@ -617,6 +619,8 @@ static int proc_write_cluster_size(struct file *file,
                 cluster_cache_index = 3;
         else if (!strcmp(cache_name, "L1"))
                 cluster_cache_index = 1;
+        else if (!strcmp(cache_name, "ALL"))
+                cluster_cache_index = num_online_cpus();
         else
                 printk(KERN_INFO "Cluster '%s' is unknown.\n", cache_name);