[PATCH] mm/memory.c: Replace vmf->vma with variable vma

[PATCH] mm/memory.c: Replace vmf->vma with variable vma

[yanfei.xu]

From: Yanfei Xu <yanfei.xu@windriver.com>

The code has declared a vma_struct named vma which is assigned a
value of vmf->vma. Thus, use variable vma directly here.

Signed-off-by: Yanfei Xu <yanfei.xu@windriver.com>
---
 mm/memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index 9cc3d0dc816c..88f61b4f9638 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3454,7 +3454,7 @@ static vm_fault_t __do_fault(struct vm_fault *vmf)
 	 *				# flush A, B to clear the writeback
 	 */
 	if (pmd_none(*vmf->pmd) && !vmf->prealloc_pte) {
-		vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm);
+		vmf->prealloc_pte = pte_alloc_one(vma->vm_mm);
 		if (!vmf->prealloc_pte)
 			return VM_FAULT_OOM;
 		smp_wmb(); /* See comment in __pte_alloc() */
-- 
2.18.2

Re: [PATCH] mm/memory.c: Replace vmf->vma with variable vma

[Matthew Wilcox]

On Tue, Aug 18, 2020 at 04:46:07PM +0800, yanfei.xu@windriver.com wrote:
> From: Yanfei Xu <yanfei.xu@windriver.com>
> 
> The code has declared a vma_struct named vma which is assigned a
> value of vmf->vma. Thus, use variable vma directly here.
> 
> Signed-off-by: Yanfei Xu <yanfei.xu@windriver.com>

Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>