From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 136/155] mm: mempolicy: use VM_BUG_ON_VMA in queue_pages_test_walk() Date: Wed, 01 Apr 2020 21:10:55 -0700 Message-ID: <20200402041055.o8u300uTM%akpm@linux-foundation.org> References: <20200401210155.09e3b9742e1c6e732f5a7250@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:37046 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726136AbgDBEK4 (ORCPT ); Thu, 2 Apr 2020 00:10:56 -0400 In-Reply-To: <20200401210155.09e3b9742e1c6e732f5a7250@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: akpm@linux-foundation.org, cai@lca.pw, linux-mm@kvack.org, lixinhai.lxh@gmail.com, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, yang.shi@linux.alibaba.com From: Yang Shi Subject: 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. Link: http://lkml.kernel.org/r/1579068565-110432-1-git-send-email-yang.shi@linux.alibaba.com Signed-off-by: Yang Shi Reviewed-by: Andrew Morton Cc: "Li Xinhai" Cc: Qian Cai Signed-off-by: Andrew Morton --- mm/mempolicy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/mempolicy.c~mm-mempolicy-use-vm_bug_on_vma-in-queue_pages_test_walk +++ a/mm/mempolicy.c @@ -650,7 +650,7 @@ static int queue_pages_test_walk(unsigne 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; _