diff options
| author | David Hildenbrand <david@redhat.com> | 2021-04-22 12:08:20 +0200 |
|---|---|---|
| committer | David Hildenbrand <david@redhat.com> | 2021-09-03 18:42:01 +0200 |
| commit | 8d0920bde5eb8ec7e567939b85e65a0596c8580d (patch) | |
| tree | cdba733cd679ff5527daab0e8303a4da97adec4b /kernel/fork.c | |
| parent | 4589ff7ca81516381393649dec8dd4948884b2b2 (diff) | |
mm: remove VM_DENYWRITE
All in-tree users of MAP_DENYWRITE are gone. MAP_DENYWRITE cannot be
set from user space, so all users are gone; let's remove it.
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 7677f897ecb6..feef1057081d 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -570,12 +570,9 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm, tmp->vm_flags &= ~(VM_LOCKED | VM_LOCKONFAULT); file = tmp->vm_file; if (file) { - struct inode *inode = file_inode(file); struct address_space *mapping = file->f_mapping; get_file(file); - if (tmp->vm_flags & VM_DENYWRITE) - put_write_access(inode); i_mmap_lock_write(mapping); if (tmp->vm_flags & VM_SHARED) mapping_allow_writable(mapping); |