| From | Liam Howlett <> | Subject | [PATCH 17/94] mm/ksm: Use vma_lookup() in find_mergeable_vma() | Date | Wed, 28 Apr 2021 15:35:51 +0000 |
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vma_lookup checks the limits of the vma so the code can be more readable and clean.
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> --- mm/ksm.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c index 6bbe314c5260..ced6830d0ff4 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -521,10 +521,8 @@ static struct vm_area_struct *find_mergeable_vma(struct mm_struct *mm, struct vm_area_struct *vma; if (ksm_test_exit(mm)) return NULL; - vma = find_vma(mm, addr); - if (!vma || vma->vm_start > addr) - return NULL; - if (!(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma) + vma = vma_lookup(mm, addr); + if (!vma || !(vma->vm_flags & VM_MERGEABLE) || !vma->anon_vma) return NULL; return vma; } -- 2.30.2
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