[PATCH v2 07/16] mm/huge_memory: use helper function vma_lookup in split_huge_pages_pid

From: Miaohe Lin
Date: Tue Jun 28 2022 - 09:30:47 EST


Use helper function vma_lookup to lookup the needed vma to simplify the
code. Minor readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/huge_memory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 8364b9b25b3a..1cb51eb5a60c 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3040,10 +3040,10 @@ static int split_huge_pages_pid(int pid, unsigned long vaddr_start,
* table filled with PTE-mapped THPs, each of which is distinct.
*/
for (addr = vaddr_start; addr < vaddr_end; addr += PAGE_SIZE) {
- struct vm_area_struct *vma = find_vma(mm, addr);
+ struct vm_area_struct *vma = vma_lookup(mm, addr);
struct page *page;

- if (!vma || addr < vma->vm_start)
+ if (!vma)
break;

/* skip special VMA and hugetlb VMA */
--
2.23.0