diff options
Diffstat (limited to 'mm/mmu_context.c')
| -rw-r--r-- | mm/mmu_context.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/mmu_context.c b/mm/mmu_context.c index ded9081f402..f802c2d216a 100644 --- a/mm/mmu_context.c +++ b/mm/mmu_context.c @@ -5,6 +5,7 @@ #include <linux/mm.h> #include <linux/mmu_context.h> +#include <linux/export.h> #include <linux/sched.h> #include <asm/mmu_context.h> @@ -13,9 +14,6 @@ * use_mm * Makes the calling kernel thread take on the specified * mm context. - * Called by the retry thread execute retries within the - * iocb issuer's mm context, so that copy_from/to_user - * operations work seamlessly for aio. * (Note: this routine is intended to be called only * from a kernel thread context) */ @@ -33,10 +31,14 @@ void use_mm(struct mm_struct *mm) tsk->mm = mm; switch_mm(active_mm, mm, tsk); task_unlock(tsk); +#ifdef finish_arch_post_lock_switch + finish_arch_post_lock_switch(); +#endif if (active_mm != mm) mmdrop(active_mm); } +EXPORT_SYMBOL_GPL(use_mm); /* * unuse_mm @@ -51,8 +53,10 @@ void unuse_mm(struct mm_struct *mm) struct task_struct *tsk = current; task_lock(tsk); + sync_mm_rss(mm); tsk->mm = NULL; /* active_mm is still 'mm' */ enter_lazy_tlb(mm, tsk); task_unlock(tsk); } +EXPORT_SYMBOL_GPL(unuse_mm); |