From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Mon, 4 Jan 2021 20:10:54 +0000 (-0500)
Subject: mm/util: Remove __vma_link_list() and __vma_unlink_list()
X-Git-Tag: howlett/maple_spf/20210104~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=006a8a77f658e4433b15f2837de01e970a337dcd;p=users%2Fjedix%2Flinux-maple.git

mm/util: Remove __vma_link_list() and __vma_unlink_list()

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

diff --git a/mm/util.c b/mm/util.c
index f57a76b53b23..b30ceeec55f0 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -271,46 +271,6 @@ void *memdup_user_nul(const void __user *src, size_t len)
 }
 EXPORT_SYMBOL(memdup_user_nul);
 
-void __vma_link_list(struct mm_struct *mm, struct vm_area_struct *vma,
-		struct vm_area_struct *prev)
-{
-	struct vm_area_struct *next;
-
-	vma->vm_prev = prev;
-	if (prev) {
-		next = prev->vm_next;
-		prev->vm_next = vma;
-	} else {
-		next = mm->mmap;
-		mm->mmap = vma;
-	}
-	vma->vm_next = next;
-	if (next)
-		next->vm_prev = vma;
-	else
-		mm->highest_vm_end = vm_end_gap(vma);
-}
-
-void __vma_unlink_list(struct mm_struct *mm, struct vm_area_struct *vma)
-{
-	struct vm_area_struct *prev, *next;
-
-	next = vma->vm_next;
-	prev = vma->vm_prev;
-	if (prev)
-		prev->vm_next = next;
-	else
-		mm->mmap = next;
-	if (next)
-		next->vm_prev = prev;
-	else {
-		if (prev)
-			mm->highest_vm_end = vm_end_gap(prev);
-		else
-			mm->highest_vm_end = 0;
-	}
-}
-
 /* Check if the vma is being used as a stack by this task */
 int vma_is_stack_for_current(struct vm_area_struct *vma)
 {