mm/huge_memory: use helper function vma_lookup in split_huge_pages_pid

Use helper function vma_lookup to lookup the needed vma to simplify the code. Minor readability improvement. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Miaohe Lin <[email protected]> Reviewed-by: Muchun Song <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Yang Shi <[email protected]> Cc: Zach O'Keefe <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
1NFR4R3D · Jul 18, 2022 · 74ba2b3 · 74ba2b3
1 parent 4fba8f2
commit 74ba2b3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
@@ -2941,10 +2941,10 @@ 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 */