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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33D25C19F2D for ; Tue, 9 Aug 2022 17:19:22 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 250898E000A; Tue, 9 Aug 2022 13:19:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5D36C8E000F; Tue, 9 Aug 2022 13:19:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E82198E0005; Tue, 9 Aug 2022 13:19:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 578908E0008 for ; Tue, 9 Aug 2022 13:19:03 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 16A31C05B3 for ; Tue, 9 Aug 2022 17:19:03 +0000 (UTC) X-FDA: 79780714566.07.03F8A13 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf09.hostedemail.com (Postfix) with ESMTP id 4BF57140183 for ; Tue, 9 Aug 2022 17:19:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=3Vi0Jene0YRfjNV1cU+o3C3Mpn1nyA0zHIMgO9QB45Y=; b=C34I6l4bW6A3Ovyfp1PwNf9wGs iNkgz6bCbGagfmHEvOYVr78wHwAHoImzzpINjTzFl5kIeCqrdkxLpxjK41ihe5hHPZkJfA2xTNOcv QH80MmWK6AYcr3IV0cj/XnaxeSepPONstUqR1MSUL1hbA8VCh4YCiwLMFzyTPRM4IcTD/kcmpcCSB 37KeFyIM7mYrEunjO0I6BHnWWEB3oM+HRzTs4EAS0SZj/A2WWknZeTqw/ri7nN4Sknm0974e+t9GC 29OBJNcbNDs+1YXjpf9ee7f1vyiIYW7/Xxdl3fGHCsWFWSUFRcKP45SBV45XtoyIrkcV4OBsg+5uG U5HEY32g==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oLSsd-00FdEy-06; Tue, 09 Aug 2022 17:18:59 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" Subject: [PATCH v2 04/16] mm/page_alloc: Move set_page_refcounted() to callers of post_alloc_hook() Date: Tue, 9 Aug 2022 18:18:42 +0100 Message-Id: <20220809171854.3725722-5-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220809171854.3725722-1-willy@infradead.org> References: <20220809171854.3725722-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660065542; a=rsa-sha256; cv=none; b=EtAr3NKijkzuBzz0lk2gCeifd8VVE013YYnEeyaIpyt4HJBXRNUFxe2L+NmdhDBnkTG4An OWisRWsY2R6OsuIYxbHIFTX5VRop719yPJu7c1MmQ2g46Cn9nL+G32wTWbwIc7L1xqQB4r KG2jL0CcBZWysgir5EpGUAQSfjewn5g= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=C34I6l4b; spf=none (imf09.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660065542; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=3Vi0Jene0YRfjNV1cU+o3C3Mpn1nyA0zHIMgO9QB45Y=; b=Uv2ZEhObxi1Ww6ssyE3JxVGebgDSd+eFCsVcDDQZSRbQfaktpu/Gp1QOg4xOrb/inbMtzQ igCS+IO+xa6thByqtc4MtCG2r/yvxxsz0hQJLUWFR2Sna2nugQTjbxHrDmGnjb0zGex6gc idNiFKN3jDX0RweexvTlB++HAE9CkgU= X-Rspamd-Server: rspam06 X-Rspam-User: X-Stat-Signature: 9dw6qaoh8e3oaeqm6ugjq1qh51q8re47 X-Rspamd-Queue-Id: 4BF57140183 Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=C34I6l4b; spf=none (imf09.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-HE-Tag: 1660065542-708974 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: In preparation for allocating frozen pages, stop initialising the page refcount in post_alloc_hook(). Signed-off-by: Matthew Wilcox (Oracle) --- mm/compaction.c | 1 + mm/page_alloc.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/compaction.c b/mm/compaction.c index 640fa76228dd..63dc6abdb573 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -97,6 +97,7 @@ static void split_map_pages(struct list_head *list) nr_pages = 1 << order; post_alloc_hook(page, order, __GFP_MOVABLE); + set_page_refcounted(page); if (order) split_page(page, order); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 30e7a5974d39..d41b8c8f3135 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2465,7 +2465,6 @@ inline void post_alloc_hook(struct page *page, unsigned int order, int i; set_page_private(page, 0); - set_page_refcounted(page); arch_alloc_page(page, order); debug_pagealloc_map_pages(page, 1 << order); @@ -2536,6 +2535,7 @@ static void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags set_page_pfmemalloc(page); else clear_page_pfmemalloc(page); + set_page_refcounted(page); } /* -- 2.35.1