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mm: add vma iterator to vma_adjust() arguments

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Change the vma_adjust() function definition to accept the vma iterator and
pass it through to __vma_adjust().

Update fs/exec to use the new vma_adjust() function parameters.

Update mm/mremap to use the new vma_adjust() function parameters.

Revert the __split_vma() calls back from __vma_adjust() to vma_adjust()
and pass through the vma iterator.

Link: https://lkml.kernel.org/r/20230120162650.984577-37-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liam R. Howlett
2023-01-20 11:26:37 -05:00
committed by Andrew Morton
parent 0fd5a9e2b0
commit b373037fa9
4 changed files with 15 additions and 19 deletions
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9
include/linux/mm.h
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@@ -2834,12 +2834,11 @@ extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admi
extern int __vma_adjust(struct vma_iterator *vmi, struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert,
struct vm_area_struct *expand);
static inline int vma_adjust(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert)
static inline int vma_adjust(struct vma_iterator *vmi,
struct vm_area_struct *vma, unsigned long start, unsigned long end,
pgoff_t pgoff, struct vm_area_struct *insert)
{
VMA_ITERATOR(vmi, vma->vm_mm, start);
return __vma_adjust(&vmi, vma, start, end, pgoff, insert, NULL);
return __vma_adjust(vmi, vma, start, end, pgoff, insert, NULL);
}
extern struct vm_area_struct *vma_merge(struct vma_iterator *vmi,
struct mm_struct *, struct vm_area_struct *prev, unsigned long addr,