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| author |   Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:28:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:28:04 +0200 |
| commit | 7aaaec38fcd9ef3172e69f8c19f20113830a8498 (patch) | |
| tree | b12a1c359ad53ae10601f77b3438bb27c3c8f337 /include/linux/mm_types.h | |
| parent | x86: untangle pci dependencies (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 (diff) | |
| download | linux-dev-7aaaec38fcd9ef3172e69f8c19f20113830a8498.tar.xz linux-dev-7aaaec38fcd9ef3172e69f8c19f20113830a8498.zip | |
Merge branch 'linus' into x86/kconfig
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 |