From patchwork Wed Jun 3 22:58:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11586403 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 5B1CD14E3 for ; Wed, 3 Jun 2020 22:58:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 28DC320B80 for ; Wed, 3 Jun 2020 22:58:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="bwfsFpCs" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28DC320B80 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1631E28002A; Wed, 3 Jun 2020 18:58:48 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 10FD9280003; Wed, 3 Jun 2020 18:58:48 -0400 (EDT) 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 04C0328002A; Wed, 3 Jun 2020 18:58:47 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0052.hostedemail.com [216.40.44.52]) by kanga.kvack.org (Postfix) with ESMTP id DEC47280003 for ; Wed, 3 Jun 2020 18:58:47 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id A2064D38 for ; Wed, 3 Jun 2020 22:58:47 +0000 (UTC) X-FDA: 76889417094.08.song80_1283453fcf92e Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin08.hostedemail.com (Postfix) with ESMTP id 88C611819E639 for ; Wed, 3 Jun 2020 22:58:47 +0000 (UTC) X-Spam-Summary: 2,0,0,f887b1da5cc3ceb8,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:69:355:379:800:960:965:966:967:968:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1542:1711:1730:1747:1777:1792:2196:2198:2199:2200:2393:2525:2553:2559:2563:2682:2685:2693:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3354:3865:3866:3867:3868:3871:3872:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4250:4321:4385:4390:4395:5007:6119:6261:6653:7576:7875:8599:8603:8660:9025:9545:9592:10004:10913:11026:11473:11658:11914:12043:12048:12114:12296:12297:12438:12517:12519:12555:12679:12783:12986:13148:13230:13846:13972:14093:14096:14181:14721:14849:21080:21324:21451:21627:21795:21939:30051:30054:30090,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none X-HE-Tag: song80_1283453fcf92e X-Filterd-Recvd-Size: 4303 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf18.hostedemail.com (Postfix) with ESMTP for ; Wed, 3 Jun 2020 22:58:47 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3BE3A20FC3; Wed, 3 Jun 2020 22:58:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591225126; bh=vvToqJphvDbGVLbiR0jxUgQ206MXZAwWgSfGjC4y9T0=; h=Date:From:To:Subject:In-Reply-To:From; b=bwfsFpCs2qz3f90O6fWJcLaFV1G0WgmGj85fH+18F6c4R2af/UJhlkeILO3oPEoEA KKu3NN/aSetGk0aOcSh4lvbVLCSL+XNr08GM9AhQG6iTKhFZDp4XcsZdKadXUyW+B6 L6S2xJ06yD2/0fKkBA9Awm/q0qeJoCTzTXjJmsuQ= Date: Wed, 03 Jun 2020 15:58:45 -0700 From: Andrew Morton To: akpm@linux-foundation.org, bhe@redhat.com, david@redhat.com, linux-mm@kvack.org, mhocko@suse.com, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 038/131] mm/page_alloc.c: remove unused free_bootmem_with_active_regions Message-ID: <20200603225845.bl1x-DoqK%akpm@linux-foundation.org> In-Reply-To: <20200603155549.e041363450869eaae4c7f05b@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 88C611819E639 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: From: Baoquan He Subject: mm/page_alloc.c: remove unused free_bootmem_with_active_regions Since commit 397dc00e249ec64e10 ("mips: sgi-ip27: switch from DISCONTIGMEM to SPARSEMEM"), the last caller of free_bootmem_with_active_regions() was gone. Now no user calls it any more. Let's remove it. Link: http://lkml.kernel.org/r/20200402143455.5145-1-bhe@redhat.com Signed-off-by: Baoquan He Acked-by: Michal Hocko Reviewed-by: David Hildenbrand Signed-off-by: Andrew Morton --- include/linux/mm.h | 4 ---- mm/page_alloc.c | 25 ------------------------- 2 files changed, 29 deletions(-) --- a/include/linux/mm.h~mm-remove-unused-free_bootmem_with_active_regions +++ a/include/linux/mm.h @@ -2415,8 +2415,6 @@ static inline unsigned long get_num_phys * memblock_add_node(base, size, nid) * free_area_init(max_zone_pfns); * - * free_bootmem_with_active_regions() calls free_bootmem_node() for each - * registered physical page range. Similarly * sparse_memory_present_with_active_regions() calls memory_present() for * each range when SPARSEMEM is enabled. */ @@ -2429,8 +2427,6 @@ extern unsigned long absent_pages_in_ran extern void get_pfn_range_for_nid(unsigned int nid, unsigned long *start_pfn, unsigned long *end_pfn); extern unsigned long find_min_pfn_with_active_regions(void); -extern void free_bootmem_with_active_regions(int nid, - unsigned long max_low_pfn); extern void sparse_memory_present_with_active_regions(int nid); #ifndef CONFIG_NEED_MULTIPLE_NODES --- a/mm/page_alloc.c~mm-remove-unused-free_bootmem_with_active_regions +++ a/mm/page_alloc.c @@ -6296,31 +6296,6 @@ void __meminit init_currently_empty_zone } /** - * free_bootmem_with_active_regions - Call memblock_free_early_nid for each active range - * @nid: The node to free memory on. If MAX_NUMNODES, all nodes are freed. - * @max_low_pfn: The highest PFN that will be passed to memblock_free_early_nid - * - * If an architecture guarantees that all ranges registered contain no holes - * and may be freed, this this function may be used instead of calling - * memblock_free_early_nid() manually. - */ -void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn) -{ - unsigned long start_pfn, end_pfn; - int i, this_nid; - - for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, &this_nid) { - start_pfn = min(start_pfn, max_low_pfn); - end_pfn = min(end_pfn, max_low_pfn); - - if (start_pfn < end_pfn) - memblock_free_early_nid(PFN_PHYS(start_pfn), - (end_pfn - start_pfn) << PAGE_SHIFT, - this_nid); - } -} - -/** * sparse_memory_present_with_active_regions - Call memory_present for each active range * @nid: The node to call memory_present for. If MAX_NUMNODES, all nodes will be used. *