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| author |  Liam R. Howlett <Liam.Howlett@oracle.com>
| 2023-01-20 11:26:45 -0500 |
|---|---|---|
| committer |  Andrew Morton <akpm@linux-foundation.org>
| 2023-02-09 16:51:37 -0800 |
| commit | 7c9813e886bb52495ff5b97d4b0f1320d36d869b (patch) | |
| tree | 2819b56a58bf5f2eeaa1bdec075e96ed4134584f | |
| parent | mm: don't use __vma_adjust() in __split_vma() (diff) | |
| download | linux-7c9813e886bb52495ff5b97d4b0f1320d36d869b.tar.gz linux-7c9813e886bb52495ff5b97d4b0f1320d36d869b.tar.bz2 linux-7c9813e886bb52495ff5b97d4b0f1320d36d869b.zip | |
mm/mremap: convert vma_adjust() to vma_expand()
Stop using vma_adjust() in preparation for removing the function. Export
vma_expand() to use instead.
Link: https://lkml.kernel.org/r/20230120162650.984577-45-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | mm/mmap.c | 6 | ||||
| -rw-r--r-- | mm/mremap.c | 4 |
3 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 3845de5d2581..245fb30858c9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2839,6 +2839,9 @@ static inline int vma_adjust(struct vma_iterator *vmi, { return __vma_adjust(vmi, vma, start, end, pgoff, NULL); } +extern 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); extern struct vm_area_struct *vma_merge(struct vma_iterator *vmi, struct mm_struct *, struct vm_area_struct *prev, unsigned long addr, unsigned long end, unsigned long vm_flags, struct anon_vma *, diff --git a/mm/mmap.c b/mm/mmap.c index 3d08d7d243f0..9599db011b18 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -634,9 +634,9 @@ again: * * Returns: 0 on success */ -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) +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) { bool remove_next = false; struct vma_prepare vp; diff --git a/mm/mremap.c b/mm/mremap.c index b98185f48ba5..5c9a57909862 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -1053,8 +1053,8 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, extension_end, vma->vm_flags, vma->anon_vma, vma->vm_file, extension_pgoff, vma_policy(vma), vma->vm_userfaultfd_ctx, anon_vma_name(vma)); - } else if (vma_adjust(&vmi, vma, vma->vm_start, - addr + new_len, vma->vm_pgoff)) { + } else if (vma_expand(&vmi, vma, vma->vm_start, + addr + new_len, vma->vm_pgoff, NULL)) { vma = NULL; } if (!vma) { |