[PATCH] mm/mmap: fix obsolete comment of find_extend_vma

[Miaohe Lin]

mmget_still_valid() has already been removed via commit 4d45e75a9955
("mm: remove the now-unnecessary mmget_still_valid() hack"). Update
the corresponding comment.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/mmap.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 03c9ca35e0f4..4c10ffe80634 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2126,7 +2126,6 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
 	vma = find_vma_prev(mm, addr, &prev);
 	if (vma && (vma->vm_start <= addr))
 		return vma;
-	/* don't alter vm_end if the coredump is running */
 	if (!prev || expand_stack(prev, addr))
 		return NULL;
 	if (prev->vm_flags & VM_LOCKED)
-- 
2.23.0