From patchwork Thu Feb 20 04:33:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baoquan He X-Patchwork-Id: 11393295 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B08DC13A4 for ; Thu, 20 Feb 2020 04:34:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 73E4724676 for ; Thu, 20 Feb 2020 04:34:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="U+JjR+SR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 73E4724676 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AEB6C6B000E; Wed, 19 Feb 2020 23:34:17 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A75BE6B0010; Wed, 19 Feb 2020 23:34:17 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 964376B0032; Wed, 19 Feb 2020 23:34:17 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0170.hostedemail.com [216.40.44.170]) by kanga.kvack.org (Postfix) with ESMTP id 7FB466B000E for ; Wed, 19 Feb 2020 23:34:17 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 544E240D6 for ; Thu, 20 Feb 2020 04:34:17 +0000 (UTC) X-FDA: 76509238554.28.stick78_25662b78d522f X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,bhe@redhat.com,:linux-kernel@vger.kernel.org::akpm@linux-foundation.org:richardw.yang@linux.intel.com:david@redhat.com:osalvador@suse.de:dan.j.williams@intel.com:mhocko@suse.com:bhe@redhat.com:rppt@linux.ibm.com:robin.murphy@arm.com,RULES_HIT:30012:30054,0,RBL:207.211.31.81:@redhat.com:.lbl8.mailshell.net-66.10.201.10 62.18.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:ft,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none X-HE-Tag: stick78_25662b78d522f X-Filterd-Recvd-Size: 3303 Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [207.211.31.81]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Thu, 20 Feb 2020 04:34:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582173256; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:in-reply-to:in-reply-to:references:references; bh=WBTkH8NFztz9hV99W9A9KyCR3kKGKSPFetvSYFlBOK4=; b=U+JjR+SRWurzsjjw2UUiGgelx1EiiI8apnj5j3hSlID18RJbNaCNBuH3XmLq1poDHT7X3I Kg+nuX0cN4ClAVbXCa69gSX/AGam7D6xUPPsIizDWIbYl/r0XKtMAoai4d1kIXFxv3eewx JiDOIDsa09FWyL1OZDiU/7nsi72gZEU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-251-9XzCVf-KMBCXGMKnWeEqWA-1; Wed, 19 Feb 2020 23:34:10 -0500 X-MC-Unique: 9XzCVf-KMBCXGMKnWeEqWA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7C866800D53; Thu, 20 Feb 2020 04:34:08 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (ovpn-12-32.pek2.redhat.com [10.72.12.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2356C5DA60; Thu, 20 Feb 2020 04:33:59 +0000 (UTC) From: Baoquan He To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org, richardw.yang@linux.intel.com, david@redhat.com, osalvador@suse.de, dan.j.williams@intel.com, mhocko@suse.com, bhe@redhat.com, rppt@linux.ibm.com, robin.murphy@arm.com Subject: [PATCH v2 7/7] mm/sparse.c: Use __get_free_pages() instead in populate_section_memmap() Date: Thu, 20 Feb 2020 12:33:16 +0800 Message-Id: <20200220043316.19668-8-bhe@redhat.com> In-Reply-To: <20200220043316.19668-1-bhe@redhat.com> References: <20200220043316.19668-1-bhe@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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: This removes the unnecessary goto, and simplify codes. Signed-off-by: Baoquan He Reviewed-by: Wei Yang --- mm/sparse.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/mm/sparse.c b/mm/sparse.c index 053d6c2e5c1f..572b71bd15aa 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -754,23 +754,19 @@ static void free_map_bootmem(struct page *memmap) struct page * __meminit populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap) { - struct page *page, *ret; + struct page *ret; unsigned long memmap_size = sizeof(struct page) * PAGES_PER_SECTION; - page = alloc_pages(GFP_KERNEL|__GFP_NOWARN, get_order(memmap_size)); - if (page) - goto got_map_page; + ret = (void *)__get_free_pages(GFP_KERNEL|__GFP_NOWARN, + get_order(memmap_size)); + if (ret) + return ret; ret = vmalloc(memmap_size); if (ret) - goto got_map_ptr; + return ret; return NULL; -got_map_page: - ret = (struct page *)pfn_to_kaddr(page_to_pfn(page)); -got_map_ptr: - - return ret; } static void depopulate_section_memmap(unsigned long pfn, unsigned long nr_pages,