From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-f198.google.com (mail-qt0-f198.google.com [209.85.216.198]) by kanga.kvack.org (Postfix) with ESMTP id B8E5C6B02AA for ; Wed, 2 Nov 2016 15:34:10 -0400 (EDT) Received: by mail-qt0-f198.google.com with SMTP id l20so10727824qta.3 for ; Wed, 02 Nov 2016 12:34:10 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id 8si1933052qkb.112.2016.11.02.12.34.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Nov 2016 12:34:10 -0700 (PDT) From: Andrea Arcangeli Subject: [PATCH 10/33] userfaultfd: non-cooperative: dup_userfaultfd: use mm_count instead of mm_users Date: Wed, 2 Nov 2016 20:33:42 +0100 Message-Id: <1478115245-32090-11-git-send-email-aarcange@redhat.com> In-Reply-To: <1478115245-32090-1-git-send-email-aarcange@redhat.com> References: <1478115245-32090-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm@kvack.org, Michael Rapoport , "Dr. David Alan Gilbert"@v2.random, " , Mike Kravetz , Shaohua Li , Pavel Emelyanov "@v2.random From: Mike Rapoport Since commit d2005e3f41d4 (userfaultfd: don't pin the user memory in userfaultfd_file_create()) userfaultfd uses mm_count rather than mm_users to pin mm_struct. Make dup_userfaultfd consistent with this behaviour Signed-off-by: Mike Rapoport Signed-off-by: Andrea Arcangeli --- fs/userfaultfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 07b1c25..e0bb733 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -523,7 +523,7 @@ int dup_userfaultfd(struct vm_area_struct *vma, struct list_head *fcs) ctx->features = octx->features; ctx->released = false; ctx->mm = vma->vm_mm; - atomic_inc(&ctx->mm->mm_users); + atomic_inc(&ctx->mm->mm_count); userfaultfd_ctx_get(octx); fctx->orig = octx; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org