From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A1620C43217 for ; Fri, 25 Mar 2022 01:32:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357402AbiCYBe2 (ORCPT ); Thu, 24 Mar 2022 21:34:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357560AbiCYBdV (ORCPT ); Thu, 24 Mar 2022 21:33:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F489BF035 for ; Thu, 24 Mar 2022 18:31:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0B96161929 for ; Fri, 25 Mar 2022 01:31:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F300C340EC; Fri, 25 Mar 2022 01:31:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648171907; bh=3ctPoFfHOfIrLdWabx1zEVvpYWwbmB/5dD0JXcM5nxI=; h=Date:To:From:Subject:From; b=HBOA2+inyXEMRrpXqdmTWwORfGWhOgkupRoSOKoiP1hOqmjLKkJv8KKoepHS3lkwB SYqsSFv8ld9SEAKqE2JVk8U2aE/uAmccJ+F884bqx4aDmEwRoIpljwtQxdMc0JQzld 3aF/iSAuBq+XSEfaSpIDZvFSCIZCJzf3m5V84t2M= Date: Thu, 24 Mar 2022 18:31:46 -0700 To: mm-commits@vger.kernel.org, naoya.horiguchi@nec.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] mm-hwpoison-inject-support-injecting-hwpoison-to-free-page.patch removed from -mm tree Message-Id: <20220325013147.5F300C340EC@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/hwpoison-inject: support injecting hwpoison to free page has been removed from the -mm tree. Its filename was mm-hwpoison-inject-support-injecting-hwpoison-to-free-page.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Miaohe Lin Subject: mm/hwpoison-inject: support injecting hwpoison to free page memory_failure() can handle free buddy page. Support injecting hwpoison to free page by adding is_free_buddy_page check when hwpoison filter is disabled. [akpm@linux-foundation.org: export is_free_buddy_page() to modules] Link: https://lkml.kernel.org/r/20220218092052.3853-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Cc: Naoya Horiguchi Signed-off-by: Andrew Morton --- mm/hwpoison-inject.c | 4 ++-- mm/page_alloc.c | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) --- a/mm/hwpoison-inject.c~mm-hwpoison-inject-support-injecting-hwpoison-to-free-page +++ a/mm/hwpoison-inject.c @@ -32,9 +32,9 @@ static int hwpoison_inject(void *data, u shake_page(hpage); /* - * This implies unable to support non-LRU pages. + * This implies unable to support non-LRU pages except free page. */ - if (!PageLRU(hpage) && !PageHuge(p)) + if (!PageLRU(hpage) && !PageHuge(p) && !is_free_buddy_page(p)) return 0; /* --- a/mm/page_alloc.c~mm-hwpoison-inject-support-injecting-hwpoison-to-free-page +++ a/mm/page_alloc.c @@ -9417,6 +9417,7 @@ bool is_free_buddy_page(struct page *pag return order < MAX_ORDER; } +EXPORT_SYMBOL(is_free_buddy_page); #ifdef CONFIG_MEMORY_FAILURE /* _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-huge_memory-make-is_transparent_hugepage-static.patch