mm: realtime support

mmu tlb gather parts from Peter Zijlstra

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/exec.c b/fs/exec.c
index 8d5f4bd0d6e8..ddaebef9879d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -502,7 +502,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
         unsigned long length = old_end - old_start;
         unsigned long new_start = old_start - shift;
         unsigned long new_end = old_end - shift;
-        struct mmu_gather *tlb;
+        struct mmu_gather tlb;
 
         BUG_ON(new_start > new_end);
 
@@ -527,12 +527,12 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
                 return -ENOMEM;
 
         lru_add_drain();
-        tlb = tlb_gather_mmu(mm, 0);
+        tlb_gather_mmu(&tlb, mm, 0);
         if (new_end > old_start) {
                 /*
                  * when the old and new regions overlap clear from new_end.
                  */
-                free_pgd_range(tlb, new_end, old_end, new_end,
+                free_pgd_range(&tlb, new_end, old_end, new_end,
                         vma->vm_next ? vma->vm_next->vm_start : 0);
         } else {
                 /*
@@ -541,10 +541,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
                  * have constraints on va-space that make this illegal (IA64) -
                  * for the others its just a little faster.
                  */
-                free_pgd_range(tlb, old_start, old_end, new_end,
+                free_pgd_range(&tlb, old_start, old_end, new_end,
                         vma->vm_next ? vma->vm_next->vm_start : 0);
         }
-        tlb_finish_mmu(tlb, new_end, old_end);
+        tlb_finish_mmu(&tlb, new_end, old_end);
 
         /*
          * shrink the vma to just the new range.