diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:27:45 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:27:45 +0200 |
| commit | d939d2851fd12568e2eabb2916769e8a57ba5c89 (patch) | |
| tree | f3158a5ddd41541a61126f9e48de1ce89c632f64 /include/linux/mm_types.h | |
| parent | 9f5314fb4d556d3132c784d0df47352b2830ca53 (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linus' into x86/irqtip-x86-irq-2008-06-16_09.27_Mon
Diffstat (limited to 'include/linux/mm_types.h')
| -rw-r--r-- | include/linux/mm_types.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index eb7c16cc9559..02a27ae78539 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -226,8 +226,17 @@ struct mm_struct { rwlock_t ioctx_list_lock; /* aio lock */ struct kioctx *ioctx_list; #ifdef CONFIG_MM_OWNER - struct task_struct *owner; /* The thread group leader that */ - /* owns the mm_struct. */ + /* + * "owner" points to a task that is regarded as the canonical + * user/owner of this mm. All of the following must be true in + * order for it to be changed: + * + * current == mm->owner + * current->mm != mm + * new_owner->mm == mm + * new_owner->alloc_lock is held + */ + struct task_struct *owner; #endif #ifdef CONFIG_PROC_FS |