From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755332AbeEaNzI (ORCPT ); Thu, 31 May 2018 09:55:08 -0400 Received: from mga14.intel.com ([192.55.52.115]:44355 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755308AbeEaNzF (ORCPT ); Thu, 31 May 2018 09:55:05 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,463,1520924400"; d="scan'208";a="45381063" From: "Kirill A. Shutemov" To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" Subject: [PATCH 1/2] mm/page_ext: Drop definition of unused PAGE_EXT_DEBUG_POISON Date: Thu, 31 May 2018 16:54:56 +0300 Message-Id: <20180531135457.20167-2-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180531135457.20167-1-kirill.shutemov@linux.intel.com> References: <20180531135457.20167-1-kirill.shutemov@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After bd33ef368135 ("mm: enable page poisoning early at boot") PAGE_EXT_DEBUG_POISON is not longer used. Remove it. Signed-off-by: Kirill A. Shutemov Reviewed-by: Vinayak Menon --- include/linux/page_ext.h | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h index ca5461efae2f..bbec618a614b 100644 --- a/include/linux/page_ext.h +++ b/include/linux/page_ext.h @@ -16,18 +16,7 @@ struct page_ext_operations { #ifdef CONFIG_PAGE_EXTENSION -/* - * page_ext->flags bits: - * - * PAGE_EXT_DEBUG_POISON is set for poisoned pages. This is used to - * implement generic debug pagealloc feature. The pages are filled with - * poison patterns and set this flag after free_pages(). The poisoned - * pages are verified whether the patterns are not corrupted and clear - * the flag before alloc_pages(). - */ - enum page_ext_flags { - PAGE_EXT_DEBUG_POISON, /* Page is poisoned */ PAGE_EXT_DEBUG_GUARD, PAGE_EXT_OWNER, #if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT) -- 2.17.0