diff options
Diffstat (limited to 'fs/proc/task_mmu.c')
| -rw-r--r-- | fs/proc/task_mmu.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index f6fa99eca515..6909582ce5e5 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -147,7 +147,7 @@ m_next_vma(struct proc_maps_private *priv, struct vm_area_struct *vma) static void m_cache_vma(struct seq_file *m, struct vm_area_struct *vma) { if (m->count < m->size) /* vma is copied successfully */ - m->version = m_next_vma(m->private, vma) ? vma->vm_start : -1UL; + m->version = m_next_vma(m->private, vma) ? vma->vm_end : -1UL; } static void *m_start(struct seq_file *m, loff_t *ppos) @@ -175,8 +175,10 @@ static void *m_start(struct seq_file *m, loff_t *ppos) priv->tail_vma = get_gate_vma(mm); if (last_addr) { - vma = find_vma(mm, last_addr); - if (vma && (vma = m_next_vma(priv, vma))) + vma = find_vma(mm, last_addr - 1); + if (vma && vma->vm_start <= last_addr) + vma = m_next_vma(priv, vma); + if (vma) return vma; } @@ -1070,7 +1072,7 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf, } mmu_notifier_invalidate_range_start(mm, 0, -1); } - walk_page_range(0, ~0UL, &clear_refs_walk); + walk_page_range(0, mm->highest_vm_end, &clear_refs_walk); if (type == CLEAR_REFS_SOFT_DIRTY) mmu_notifier_invalidate_range_end(mm, 0, -1); flush_tlb_mm(mm); |