From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754507AbeEWI0n (ORCPT ); Wed, 23 May 2018 04:26:43 -0400 Received: from mga03.intel.com ([134.134.136.65]:7695 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754403AbeEWI0h (ORCPT ); Wed, 23 May 2018 04:26:37 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,432,1520924400"; d="scan'208";a="57725954" From: "Huang, Ying" To: Andrew Morton Cc: 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 -V3 02/21] mm, THP, swap: Make CONFIG_THP_SWAP depends on CONFIG_SWAP Date: Wed, 23 May 2018 16:26:06 +0800 Message-Id: <20180523082625.6897-3-ying.huang@intel.com> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180523082625.6897-1-ying.huang@intel.com> References: <20180523082625.6897-1-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 ce95491abd6a..cee958bb6002 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. -- 2.16.1