From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Thu, 24 Feb 2022 17:49:30 +0000 (-0500)
Subject: nommu fix of Remove the vma linked list
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d7d576e5c69c73b80be740118882aab0340808fd;p=users%2Fjedix%2Flinux-maple.git

nommu fix of Remove the vma linked list

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---

diff --git a/mm/nommu.c b/mm/nommu.c
index 5adc5d405c6f..948393927325 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -551,7 +551,6 @@ static void put_nommu_region(struct vm_region *region)
 static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
 {
 	struct address_space *mapping;
-	struct vm_area_struct *prev;
 	MA_STATE(mas, &mm->mm_mt, vma->vm_start, vma->vm_end);
 
 	BUG_ON(!vma->vm_region);
@@ -570,8 +569,6 @@ static void add_vma_to_mm(struct mm_struct *mm, struct vm_area_struct *vma)
 		i_mmap_unlock_write(mapping);
 	}
 
-	prev = mas_prev(&mas, 0);
-	mas_reset(&mas);
 	/* add the VMA to the tree */
 	vma_mas_store(vma, &mas);
 }