From: Yang Shi <yang.shi@linux.alibaba.com>
Date: Thu, 2 Apr 2020 04:10:55 +0000 (-0700)
Subject: mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk()
X-Git-Tag: v5.15~4178^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d888fb2b189be07df1656a31930b11a62ae88e58;p=platform%2Fkernel%2Flinux-starfive.git

mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk()

The VM_BUG_ON() is already used by queue_pages_test_walk(), it sounds
better to dump more debug information by using VM_BUG_ON_VMA() to help
debugging.

Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: "Li Xinhai" <lixinhai.lxh@gmail.com>
Cc: Qian Cai <cai@lca.pw>
Link: http://lkml.kernel.org/r/1579068565-110432-1-git-send-email-yang.shi@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 58e3dfa..460683bb 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -650,7 +650,7 @@ static int queue_pages_test_walk(unsigned long start, unsigned long end,
 	unsigned long flags = qp->flags;
 
 	/* range check first */
-	VM_BUG_ON((vma->vm_start > start) || (vma->vm_end < end));
+	VM_BUG_ON_VMA((vma->vm_start > start) || (vma->vm_end < end), vma);
 
 	if (!qp->first) {
 		qp->first = vma;