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Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 2b2ab386cab5..b620d74b0f66 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -7432,6 +7432,28 @@ void __meminit kswapd_stop(int nid)
pgdat_kswapd_unlock(pgdat);
}
+static const struct ctl_table vmscan_sysctl_table[] = {
+ {
+ .procname = "swappiness",
+ .data = &vm_swappiness,
+ .maxlen = sizeof(vm_swappiness),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_TWO_HUNDRED,
+ },
+#ifdef CONFIG_NUMA
+ {
+ .procname = "zone_reclaim_mode",
+ .data = &node_reclaim_mode,
+ .maxlen = sizeof(node_reclaim_mode),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ }
+#endif
+};
+
static int __init kswapd_init(void)
{
int nid;
@@ -7439,6 +7461,7 @@ static int __init kswapd_init(void)
swap_setup();
for_each_node_state(nid, N_MEMORY)
kswapd_run(nid);
+ register_sysctl_init("vm", vmscan_sysctl_table);
return 0;
}