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authorLiam R. Howlett <Liam.Howlett@oracle.com>2023-01-20 11:26:45 -0500
committerAndrew Morton <akpm@linux-foundation.org>2023-02-09 16:51:37 -0800
commit7c9813e886bb52495ff5b97d4b0f1320d36d869b (patch)
tree2819b56a58bf5f2eeaa1bdec075e96ed4134584f
parentb2b3b886738fec5e89ca9ebc720eba1a8f615753 (diff)
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.h3
-rw-r--r--mm/mmap.c6
-rw-r--r--mm/mremap.c4
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) {