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Howlett" Use the vma iterator instead of the maple state for type safety and for consistency through the mm code. Signed-off-by: Liam R. Howlett --- mm/mmap.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index 18f5f71a9202..2ec671a119c1 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -527,7 +527,7 @@ static int vma_link(struct mm_struct *mm, struct vm_area_struct *vma) * * Returns: 0 on success */ -inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma, +inline int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma, unsigned long start, unsigned long end, pgoff_t pgoff, struct vm_area_struct *next) { @@ -556,7 +556,7 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma, /* Only handles expanding */ VM_BUG_ON(vma->vm_start < start || vma->vm_end > end); - if (mas_preallocate(mas, GFP_KERNEL)) + if (vma_iter_prealloc(vmi)) goto nomem; vma_adjust_trans_huge(vma, start, end, 0); @@ -581,8 +581,7 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma, vma->vm_start = start; vma->vm_end = end; vma->vm_pgoff = pgoff; - /* Note: mas must be pointing to the expanding VMA */ - vma_mas_store(vma, mas); + vma_iter_store(vmi, vma); if (file) { vma_interval_tree_insert(vma, root); @@ -2600,7 +2599,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr, /* Actually expand, if possible */ if (vma && - !vma_expand(&vmi.mas, vma, merge_start, merge_end, vm_pgoff, next)) { + !vma_expand(&vmi, vma, merge_start, merge_end, vm_pgoff, next)) { khugepaged_enter_vma(vma, vm_flags); goto expanded; } -- 2.35.1