swap: skip setting hard limit on top (memory) cgroup

Change-Id: I677458716c54a11fb6a1360976a4e32091828274
Signed-off-by: Unsung Lee <unsung.lee@samsung.com>

diff --git a/src/resource-optimizer/memory/swap/swap.c b/src/resource-optimizer/memory/swap/swap.c
index 3dfc4da..8087c12 100644 (file)
--- a/src/resource-optimizer/memory/swap/swap.c
+++ b/src/resource-optimizer/memory/swap/swap.c
@@ -225,6 +225,10 @@ static int swap_use_hard_limit(char *memcg)
        int ret;
        unsigned long long usage_bytes, memcg_limit_bytes;
 
+       /* Setting hard limit on top dir is useless */
+       if (!strncmp(memcg, MEMCG_PATH, strlen(memcg)+1))
+               return RESOURCED_ERROR_NONE;
+
        ret = cgroup_read_node_ulonglong(memcg, MEMCG_USAGE, &usage_bytes);
        if (ret != RESOURCED_ERROR_NONE)
                usage_bytes = 0;