Fix TLB gather virtual address range invalidation corner cases

[linux-2.6-block.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 1edbaa3136c3c464cf648e569f2f98499f00642c..f9c97d10b873ae4a896c3a22266707653d941c90 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2336,7 +2336,7 @@ static void unmap_region(struct mm_struct *mm,
        struct mmu_gather tlb;
 
        lru_add_drain();
-       tlb_gather_mmu(&tlb, mm, 0);
+       tlb_gather_mmu(&tlb, mm, start, end);
        update_hiwater_rss(mm);
        unmap_vmas(&tlb, vma, start, end);
        free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS,
@@ -2709,7 +2709,7 @@ void exit_mmap(struct mm_struct *mm)
 
        lru_add_drain();
        flush_cache_mm(mm);
-       tlb_gather_mmu(&tlb, mm, 1);
+       tlb_gather_mmu(&tlb, mm, 0, -1);
        /* update_hiwater_rss(mm) here? but nobody should be looking */
        /* Use -1 here to ensure all VMAs in the mm are unmapped */
        unmap_vmas(&tlb, vma, 0, -1);