diff options
| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2023-07-24 14:31:52 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 10:12:49 -0700 |
| commit | b5df09226450165c434084d346fcb6d4858b0d52 (patch) | |
| tree | ff6e947fc9f80e9e61293dd978e0090d0a69b207 /fs/exec.c | |
| parent | f72cf24a868675280bc555e95abc3639777f8d82 (diff) | |
mm: set up vma iterator for vma_iter_prealloc() calls
Set the correct limits for vma_iter_prealloc() calls so that the maple
tree can be smarter about how many nodes are needed.
Link: https://lkml.kernel.org/r/20230724183157.3939892-11-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c index 1a827d55ba94..0b9484358a49 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -701,6 +701,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) if (vma != vma_next(&vmi)) return -EFAULT; + vma_iter_prev_range(&vmi); /* * cover the whole range: [new_start, old_end) */ |