diff options
| author | Liam R. Howlett <Liam.Howlett@Oracle.com> | 2023-01-20 17:26:26 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-10 01:51:34 +0100 |
| commit | 076f16bf7698fae4b27030238998474a21d2233c (patch) | |
| tree | 09623c09d2283a92dad54f689c4122a1322d7367 /mm | |
| parent | mmap: pass through vmi iterator to __split_vma() (diff) | |
| download | linux-076f16bf7698fae4b27030238998474a21d2233c.tar.xz linux-076f16bf7698fae4b27030238998474a21d2233c.zip | |
mmap: use vmi version of vma_merge()
Use the vma iterator so that the iterator can be invalidated or updated to
avoid each caller doing so.
Link: https://lkml.kernel.org/r/20230120162650.984577-26-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mmap.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 2b588b831ead..8806bfbaa505 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2690,8 +2690,9 @@ cannot_expand: * vma again as we may succeed this time. */ if (unlikely(vm_flags != vma->vm_flags && prev)) { - merge = vma_merge(mm, prev, vma->vm_start, vma->vm_end, vma->vm_flags, - NULL, vma->vm_file, vma->vm_pgoff, NULL, NULL_VM_UFFD_CTX, NULL); + merge = vmi_vma_merge(&vmi, mm, prev, vma->vm_start, + vma->vm_end, vma->vm_flags, NULL, vma->vm_file, + vma->vm_pgoff, NULL, NULL_VM_UFFD_CTX, NULL); if (merge) { /* * ->mmap() can change vma->vm_file and fput @@ -3232,6 +3233,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, struct mm_struct *mm = vma->vm_mm; struct vm_area_struct *new_vma, *prev; bool faulted_in_anon_vma = true; + VMA_ITERATOR(vmi, mm, addr); validate_mm_mt(mm); /* @@ -3247,7 +3249,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, if (new_vma && new_vma->vm_start < addr + len) return NULL; /* should never get here */ - new_vma = vma_merge(mm, prev, addr, addr + len, vma->vm_flags, + new_vma = vmi_vma_merge(&vmi, mm, prev, addr, addr + len, vma->vm_flags, vma->anon_vma, vma->vm_file, pgoff, vma_policy(vma), vma->vm_userfaultfd_ctx, anon_vma_name(vma)); if (new_vma) { |