When CONFIG_SYSCTL=n the variable dirty_bytes_min which is just used
as a minimum to a proc handler is not used. So just move this under
the ifdef for CONFIG_SYSCTL.
Fixes: aa779e510219 ("mm: move page-writeback sysctls to their own file")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
---
Andrew, I can this via sysctl-next if that's OK with you.
mm/page-writeback.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 438762173a59..4f51d0ac5043 100644
--- 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",
--
2.35.1
