diff options
Diffstat (limited to 'fs/userfaultfd.c')
| -rw-r--r-- | fs/userfaultfd.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 625b7285a37b..973607df579d 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -14,7 +14,8 @@ #include <linux/list.h> #include <linux/hashtable.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/sched/mm.h> #include <linux/mm.h> #include <linux/poll.h> #include <linux/slab.h> @@ -1807,17 +1808,17 @@ static void init_once_userfaultfd_ctx(void *mem) } /** - * userfaultfd_file_create - Creates an userfaultfd file pointer. + * userfaultfd_file_create - Creates a userfaultfd file pointer. * @flags: Flags for the userfaultfd file. * - * This function creates an userfaultfd file pointer, w/out installing + * This function creates a userfaultfd file pointer, w/out installing * it into the fd table. This is useful when the userfaultfd file is * used during the initialization of data structures that require * extra setup after the userfaultfd creation. So the userfaultfd * creation is split into the file pointer creation phase, and the * file descriptor installation phase. In this way races with * userspace closing the newly installed file descriptor can be - * avoided. Returns an userfaultfd file pointer, or a proper error + * avoided. Returns a userfaultfd file pointer, or a proper error * pointer. */ static struct file *userfaultfd_file_create(int flags) @@ -1847,7 +1848,7 @@ static struct file *userfaultfd_file_create(int flags) ctx->released = false; ctx->mm = current->mm; /* prevent the mm struct to be freed */ - atomic_inc(&ctx->mm->mm_count); + mmgrab(ctx->mm); file = anon_inode_getfile("[userfaultfd]", &userfaultfd_fops, ctx, O_RDWR | (flags & UFFD_SHARED_FCNTL_FLAGS)); |