diff options
| -rw-r--r-- | include/linux/capability.h | 1 | ||||
| -rw-r--r-- | mm/vmscan.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h index 8d139f4acf23..6b4618902d3d 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -233,6 +233,7 @@ typedef __u32 kernel_cap_t; /* Allow enabling/disabling tagged queuing on SCSI controllers and sending arbitrary SCSI commands */ /* Allow setting encryption key on loopback filesystem */ +/* Allow setting zone reclaim policy */ #define CAP_SYS_ADMIN 21 diff --git a/mm/vmscan.c b/mm/vmscan.c index cfffe5098d53..ab631a3c62c3 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1375,6 +1375,9 @@ asmlinkage long sys_set_zone_reclaim(unsigned int node, unsigned int zone, struct zone *z; int i; + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (node >= MAX_NUMNODES || !node_online(node)) return -EINVAL; |