diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-27 23:09:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-27 23:09:29 -0800 |
| commit | 86292b33d4b79ee03e2f43ea0381ef85f077c760 (patch) | |
| tree | b69a6ffd8ec5ac01599d351205a96804b9c415da /fs/userfaultfd.c | |
| parent | 1ac884f173d4842216f6a24c03c9833e3ce6e982 (diff) | |
| parent | 3e761a42e19c63b624ebac94d918d8a15e07e2a7 (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
- a few MM remainders
- misc things
- autofs updates
- signals
- affs updates
- ipc
- nilfs2
- spelling.txt updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (78 commits)
mm, x86: fix HIGHMEM64 && PARAVIRT build config for native_pud_clear()
mm: add arch-independent testcases for RODATA
hfs: atomically read inode size
mm: clarify mm_struct.mm_{users,count} documentation
mm: use mmget_not_zero() helper
mm: add new mmget() helper
mm: add new mmgrab() helper
checkpatch: warn when formats use %Z and suggest %z
lib/vsprintf.c: remove %Z support
scripts/spelling.txt: add some typo-words
scripts/spelling.txt: add "followings" pattern and fix typo instances
scripts/spelling.txt: add "therfore" pattern and fix typo instances
scripts/spelling.txt: add "overwriten" pattern and fix typo instances
scripts/spelling.txt: add "overwritting" pattern and fix typo instances
scripts/spelling.txt: add "deintialize(d)" pattern and fix typo instances
scripts/spelling.txt: add "disassocation" pattern and fix typo instances
scripts/spelling.txt: add "omited" pattern and fix typo instances
scripts/spelling.txt: add "explictely" pattern and fix typo instances
scripts/spelling.txt: add "applys" pattern and fix typo instances
scripts/spelling.txt: add "configuartion" pattern and fix typo instances
...
Diffstat (limited to 'fs/userfaultfd.c')
| -rw-r--r-- | fs/userfaultfd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 625b7285a37b..3c421d06a18e 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1807,17 +1807,17 @@ 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 +1847,7 @@ 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)); |