diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/base.c | 2 | ||||
| -rw-r--r-- | fs/proc/generic.c | 1 | ||||
| -rw-r--r-- | fs/proc/task_mmu.c | 9 |
3 files changed, 11 insertions, 1 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index d2b8c754f627..dd732400578e 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -3058,6 +3058,8 @@ int proc_pid_readdir(struct file *file, struct dir_context *ctx) iter.tgid += 1, iter = next_tgid(ns, iter)) { char name[PROC_NUMBUF]; int len; + + cond_resched(); if (!has_pid_permissions(ns, iter.task, 2)) continue; diff --git a/fs/proc/generic.c b/fs/proc/generic.c index ff3ffc76a937..3773335791da 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -469,6 +469,7 @@ struct proc_dir_entry *proc_create_mount_point(const char *name) ent->data = NULL; ent->proc_fops = NULL; ent->proc_iops = NULL; + parent->nlink++; if (proc_register(parent, ent) < 0) { kfree(ent); parent->nlink--; diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index d598b9c809c1..db1a1427c27a 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -803,7 +803,14 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp) { - pmd_t pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp); + pmd_t pmd = *pmdp; + + /* See comment in change_huge_pmd() */ + pmdp_invalidate(vma, addr, pmdp); + if (pmd_dirty(*pmdp)) + pmd = pmd_mkdirty(pmd); + if (pmd_young(*pmdp)) + pmd = pmd_mkyoung(pmd); pmd = pmd_wrprotect(pmd); pmd = pmd_clear_soft_dirty(pmd); |