From b293aa640d6b18b4bad78a63ec4016e1e5c97bde Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 22 May 2014 10:42:42 +1000
Subject: [PATCH] pagewalk-remove-argument-hmask-from-hugetlb_entry-fix-fix

remove the assertion altogether - the null deref is sufficient

Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 fs/proc/task_mmu.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index b3fe1b6b0f80..a310a763ee39 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1033,8 +1033,6 @@ static int pagemap_hugetlb(pte_t *pte, unsigned long addr, unsigned long end,
 	pagemap_entry_t pme;
 	unsigned long hmask;
 
-	BUG_ON(!vma);
-
 	if (vma->vm_flags & VM_SOFTDIRTY)
 		flags2 = __PM_SOFT_DIRTY;
 	else
-- 
2.39.5