mm: fix unused variable kernel warning when SYSCTL=n

[sfrench/cifs-2.6.git] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 438762173a59c3b77935978060f87da6a6d2b6d4..4f51d0ac504317476144270a0ce508d6e1021f20 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -89,9 +89,6 @@ static int vm_highmem_is_dirtyable;
  */
 static int vm_dirty_ratio = 20;
 
-/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
-static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
-
 /*
  * vm_dirty_bytes starts at 0 (disabled) so that it is a function of
  * vm_dirty_ratio * the amount of dirtyable memory
@@ -2077,6 +2074,10 @@ static int page_writeback_cpu_online(unsigned int cpu)
 }
 
 #ifdef CONFIG_SYSCTL
+
+/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
+static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
+
 static struct ctl_table vm_page_writeback_sysctls[] = {
        {
                .procname   = "dirty_background_ratio",