From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751096AbeBII1J (ORCPT ); Fri, 9 Feb 2018 03:27:09 -0500 Received: from mga11.intel.com ([192.55.52.93]:14584 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751038AbeBII1I (ORCPT ); Fri, 9 Feb 2018 03:27:08 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,482,1511856000"; d="scan'208";a="26018399" From: Wei Wang To: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, mst@redhat.com, mhocko@kernel.org, akpm@linux-foundation.org Subject: [PATCH] mm/page_poison: move PAGE_POISON to page_poison.c Date: Fri, 9 Feb 2018 16:08:14 +0800 Message-Id: <1518163694-27155-1-git-send-email-wei.w.wang@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The PAGE_POISON macro is used in page_poison.c only, so avoid exporting it. Also remove the "mm/debug-pagealloc.c" related comment, which is obsolete. Signed-off-by: Wei Wang Cc: Andrew Morton Cc: Michal Hocko Cc: Michael S. Tsirkin --- include/linux/poison.h | 7 ------- mm/page_poison.c | 6 ++++++ 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/include/linux/poison.h b/include/linux/poison.h index 15927eb..348bf67 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -30,13 +30,6 @@ */ #define TIMER_ENTRY_STATIC ((void *) 0x300 + POISON_POINTER_DELTA) -/********** mm/debug-pagealloc.c **********/ -#ifdef CONFIG_PAGE_POISONING_ZERO -#define PAGE_POISON 0x00 -#else -#define PAGE_POISON 0xaa -#endif - /********** mm/page_alloc.c ************/ #define TAIL_MAPPING ((void *) 0x400 + POISON_POINTER_DELTA) diff --git a/mm/page_poison.c b/mm/page_poison.c index e83fd44..8aaf076 100644 --- a/mm/page_poison.c +++ b/mm/page_poison.c @@ -7,6 +7,12 @@ #include #include +#ifdef CONFIG_PAGE_POISONING_ZERO +#define PAGE_POISON 0x00 +#else +#define PAGE_POISON 0xaa +#endif + static bool want_page_poisoning __read_mostly; static int early_page_poison_param(char *buf) -- 2.7.4