From: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxx Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: "Li Xinhai" <lixinhai.lxh@xxxxxxxxx> Cc: Qian Cai <cai@xxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- 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; _
