From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f41.google.com (mail-pa0-f41.google.com [209.85.220.41]) by kanga.kvack.org (Postfix) with ESMTP id DE4096B0256 for ; Sat, 26 Sep 2015 06:46:14 -0400 (EDT) Received: by pablk4 with SMTP id lk4so32192956pab.3 for ; Sat, 26 Sep 2015 03:46:14 -0700 (PDT) Received: from mx2.parallels.com (mx2.parallels.com. [199.115.105.18]) by mx.google.com with ESMTPS id bz4si11850980pbd.70.2015.09.26.03.46.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 26 Sep 2015 03:46:14 -0700 (PDT) From: Vladimir Davydov Subject: [PATCH 2/5] fs: charge pipe buffers to memcg Date: Sat, 26 Sep 2015 13:45:54 +0300 Message-ID: <94f055dc719129a26149b0f8b22af7c61a3fb4e6.1443262808.git.vdavydov@parallels.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org Pipe buffers can be generated unrestrictedly by an unprivileged userspace process, so they shouldn't go unaccounted. Signed-off-by: Vladimir Davydov --- fs/pipe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/pipe.c b/fs/pipe.c index 8865f7963700..6880884b70b0 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -400,7 +400,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) int copied; if (!page) { - page = alloc_page(GFP_HIGHUSER); + page = alloc_kmem_pages(GFP_HIGHUSER, 0); if (unlikely(!page)) { ret = ret ? : -ENOMEM; break; -- 2.1.4 -- 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