From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752310AbeDQCCo (ORCPT ); Mon, 16 Apr 2018 22:02:44 -0400 Received: from mga14.intel.com ([192.55.52.115]:29008 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751060AbeDQCCm (ORCPT ); Mon, 16 Apr 2018 22:02:42 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,461,1517904000"; d="scan'208";a="37922677" From: "Huang, Ying" To: Andrew Morton Cc: Tim Chen , Andi Kleen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Huang Ying , "Kirill A. Shutemov" , Andrea Arcangeli , Michal Hocko , Johannes Weiner , Shaohua Li , Hugh Dickins , Minchan Kim , Rik van Riel , Dave Hansen , Naoya Horiguchi , Zi Yan Subject: [PATCH -mm 02/21] mm, THP, swap: Make CONFIG_THP_SWAP depends on CONFIG_SWAP Date: Tue, 17 Apr 2018 10:02:11 +0800 Message-Id: <20180417020230.26412-3-ying.huang@intel.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180417020230.26412-1-ying.huang@intel.com> References: <20180417020230.26412-1-ying.huang@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Huang Ying It's unreasonable to optimize swapping for THP without basic swapping support. And this will cause build errors when THP_SWAP functions are defined in swapfile.c and called elsewhere. The comments are fixed too to reflect the latest progress. Signed-off-by: "Huang, Ying" Cc: "Kirill A. Shutemov" Cc: Andrea Arcangeli Cc: Michal Hocko Cc: Johannes Weiner Cc: Shaohua Li Cc: Hugh Dickins Cc: Minchan Kim Cc: Rik van Riel Cc: Dave Hansen Cc: Naoya Horiguchi Cc: Zi Yan --- mm/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/Kconfig b/mm/Kconfig index d5004d82a1d6..e39a57cc1343 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -420,10 +420,9 @@ config ARCH_WANTS_THP_SWAP config THP_SWAP def_bool y - depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP + depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP && SWAP help Swap transparent huge pages in one piece, without splitting. - XXX: For now this only does clustered swap space allocation. For selection by architectures with reasonable THP sizes. -- 2.17.0