mm/mmap: linked list work.. part many of many

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/mm/mmap.c b/mm/mmap.c
index b17ad5b6581864d9e597f44fa140a6de5b6c70fe..ba3c6a52034f1e3668972ef756e9885453e7d337 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2253,7 +2253,9 @@ static void unmap_region(struct mm_struct *mm,
        tlb_gather_mmu(&tlb, mm, start, end);
        update_hiwater_rss(mm);
        unmap_vmas_mt(&tlb, vma, mas, start, end);
-       free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS, max);
+       free_pgtables(&tlb, vma,
+                     prev ? prev->vm_end : FIRST_USER_ADDRESS,
+                     max);
        tlb_finish_mmu(&tlb, start, end);
 }
 /*
@@ -3207,9 +3209,15 @@ void exit_mmap(struct mm_struct *mm)
        flush_cache_mm(mm);
        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);
-       free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);
+       mas_reset(&mas);
+       mas_set(&mas, FIRST_USER_ADDRESS);
+       /* Use 0 here to ensure all VMAs in the mm are unmapped */
+//     unmap_vmas(&tlb, vma, 0, -1);
+       unmap_vmas_mt(&tlb, vma, &mas, 0, -1);
+       mas_reset(&mas);
+       mas_set(&mas, FIRST_USER_ADDRESS);
+//     free_pgtables(&tlb, vma, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);
+       free_mt_pgtables(&tlb, vma, &mas, FIRST_USER_ADDRESS, USER_PGTABLES_CEILING);
        tlb_finish_mmu(&tlb, 0, -1);
 
        /*