aboutsummaryrefslogtreecommitdiffstats
path: root/ipc
diff options
context:
space:
mode:
Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c1
-rw-r--r--ipc/shm.c12
2 files changed, 8 insertions, 5 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 963a8709f5fb..e5c4f609f22c 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1383,6 +1383,7 @@ static struct file_system_type mqueue_fs_type = {
.name = "mqueue",
.mount = mqueue_mount,
.kill_sb = kill_litter_super,
+ .fs_flags = FS_USERNS_MOUNT,
};
int mq_init_ns(struct ipc_namespace *ns)
diff --git a/ipc/shm.c b/ipc/shm.c
index de389e639e7e..cb858df061d3 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -967,11 +967,11 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
unsigned long flags;
unsigned long prot;
int acc_mode;
- unsigned long user_addr;
struct ipc_namespace *ns;
struct shm_file_data *sfd;
struct path path;
fmode_t f_mode;
+ unsigned long populate = 0;
err = -EINVAL;
if (shmid < 0)
@@ -1071,13 +1071,15 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
goto invalid;
}
- user_addr = do_mmap_pgoff(file, addr, size, prot, flags, 0);
- *raddr = user_addr;
+ addr = do_mmap_pgoff(file, addr, size, prot, flags, 0, &populate);
+ *raddr = addr;
err = 0;
- if (IS_ERR_VALUE(user_addr))
- err = (long)user_addr;
+ if (IS_ERR_VALUE(addr))
+ err = (long)addr;
invalid:
up_write(&current->mm->mmap_sem);
+ if (populate)
+ mm_populate(addr, populate);
out_fput:
fput(file);