1 files changed, 4 insertions, 0 deletions

diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index ded9081f4021..9e82e937000e 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/module.h>
 #include <linux/sched.h>
 
 #include <asm/mmu_context.h>
@@ -37,6 +38,7 @@ void use_mm(struct mm_struct *mm)
         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(tsk, mm);
         tsk->mm = NULL;
         /* active_mm is still 'mm' */
         enter_lazy_tlb(mm, tsk);
         task_unlock(tsk);
 }
+EXPORT_SYMBOL_GPL(unuse_mm);