Commit 79e4f2ca authored by Liam R. Howlett's avatar Liam R. Howlett Committed by Andrew Morton
Browse files

mmap: convert vma_link() vma iterator 

Avoid using the maple tree interface directly.

Link: https://lkml.kernel.org/r/20230120162650.984577-11-Liam.Howlett@oracle.com


Signed-off-by: default avatarLiam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 3b9dbd5e

mm/mmap.c

+3 −3
Original line number Diff line number Diff line
@@ -487,10 +487,10 @@ static inline void vma_mas_szero(struct ma_state *mas, unsigned long start, 


static int vma_link(struct mm_struct *mm, struct vm_area_struct *vma)

{

	MA_STATE(mas, &mm->mm_mt, 0, 0);

	VMA_ITERATOR(vmi, mm, 0);

	struct address_space *mapping = NULL;



	if (mas_preallocate(&mas, GFP_KERNEL))

	if (vma_iter_prealloc(&vmi))

		return -ENOMEM;



	if (vma->vm_file) {
@@ -498,7 +498,7 @@ static int vma_link(struct mm_struct *mm, struct vm_area_struct *vma) 
		i_mmap_lock_write(mapping);

	}



	vma_mas_store(vma, &mas);

	vma_iter_store(&vmi, vma);



	if (mapping) {

		__vma_link_file(vma, mapping);