diff options
| author | Oleg Nesterov <[email protected]> | 2014-10-09 15:25:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-10-09 22:25:49 -0400 |
| commit | 557c2d8a73dc078817ba6949697ceb8c0f3f7362 (patch) | |
| tree | d9e8b719e407e94ae69dba39ad9d3937187251df | |
| parent | b8c20a9b85b057c850f63ee4c63531a356d8596a (diff) | |
fs/proc/task_mmu.c: update m->version in the main loop in m_start()
Change the main loop in m_start() to update m->version. Mostly for
consistency, but this can help to avoid the same loop if the very
1st ->show() fails due to seq_overflow().
Signed-off-by: Oleg Nesterov <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Cyrill Gorcunov <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | fs/proc/task_mmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index c7228c2326d1..34d93a1cdeec 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -184,11 +184,14 @@ static void *m_start(struct seq_file *m, loff_t *ppos) m->version = 0; if (pos < mm->map_count) { - for (vma = mm->mmap; pos; pos--) + for (vma = mm->mmap; pos; pos--) { + m->version = vma->vm_start; vma = vma->vm_next; + } return vma; } + /* we do not bother to update m->version in this case */ if (pos == mm->map_count && priv->tail_vma) return priv->tail_vma; |