From patchwork Tue Sep 15 09:41:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Dufour X-Patchwork-Id: 11775941 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 3DBCC139F for ; Tue, 15 Sep 2020 09:42:02 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B0A26206E6 for ; Tue, 15 Sep 2020 09:42:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="KX2VRZq/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B0A26206E6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D8582900009; Tue, 15 Sep 2020 05:41:56 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id B5CB5900010; Tue, 15 Sep 2020 05:41:56 -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 891466B00C4; Tue, 15 Sep 2020 05:41:56 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0234.hostedemail.com [216.40.44.234]) by kanga.kvack.org (Postfix) with ESMTP id 62F916B00C1 for ; Tue, 15 Sep 2020 05:41:56 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 1E7C08249980 for ; Tue, 15 Sep 2020 09:41:56 +0000 (UTC) X-FDA: 77264804232.04.tail51_4b0c48627110 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id E50E2800BAB4 for ; Tue, 15 Sep 2020 09:41:55 +0000 (UTC) X-Spam-Summary: 1,0,0,661bff1c2246e88e,d41d8cd98f00b204,ldufour@linux.ibm.com,,RULES_HIT:2:41:355:379:541:800:960:973:988:989:1260:1261:1311:1314:1345:1359:1437:1515:1535:1605:1606:1730:1747:1777:1792:2194:2198:2199:2200:2393:2559:2562:2731:2898:3138:3139:3140:3141:3142:3369:3865:3866:3867:3868:3870:3871:3872:3874:4120:4321:4605:5007:6119:6261:6653:7875:7901:7903:8603:8660:8957:10004:11026:11232:11658:11914:12043:12048:12296:12297:12438:12555:12895:12986:13148:13161:13229:13230:13894:14096:14394:21080:21433:21451:21627:21796:21939:21990:30054:30070,0,RBL:148.163.156.1:@linux.ibm.com:.lbl8.mailshell.net-62.2.0.100 64.100.201.201;04yrwzero7ku5mri4xuy58jypaf9fopgma4tbhm511f74rnj3jefagkrs641yi5.xmxu9qt95tnk85ass91a9tgbxpr1w3rrif1hfizns488wbht5k4rrw7drszt6b1.6-lbl8.mailshell.net-223.238.255.100,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:24,LUA_SUMMARY:none X-HE-Tag: tail51_4b0c48627110 X-Filterd-Recvd-Size: 9548 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Tue, 15 Sep 2020 09:41:55 +0000 (UTC) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 08F9XVS0061776; Tue, 15 Sep 2020 05:41:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=DY3gBwYKoswju+NfwSjM4mpwqHinfXF7qoGuWnBFj8s=; b=KX2VRZq/JOwNuedzTWWl+gqXCRAqQFHvRMMfGBMwCCXm7OpXr3RcNxE8cTXjjhqSJj9q UVmKD/xZYfjsQndCosXALXmr4pCUVDDDGf9pzUS3Ng1rFClMcLEpSiCmUl63PBj8FxyD avT/Y9S+UeA+bERWg3JguzHt0gA3LsBFMXt+CrgH5gEoXfRwU9Yyki9XlBceY3T91INi gorgxnk5Vqo2132ovEWdmEOaSKpKBJ4W5t36O/9QAuIBG4cCZj3jhcE1lZW/+ptMmzUr nEFmKQZahZKi8sFHktj5khnm69PQrgh7aydW72DxGLm0prj1zrwI9BJ9ovb7Bt5UpOKX cg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 33jr6bdmgb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Sep 2020 05:41:51 -0400 Received: from m0098399.ppops.net (m0098399.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 08F9YPBb064259; Tue, 15 Sep 2020 05:41:51 -0400 Received: from ppma06fra.de.ibm.com (48.49.7a9f.ip4.static.sl-reverse.com [159.122.73.72]) by mx0a-001b2d01.pphosted.com with ESMTP id 33jr6bdmfn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Sep 2020 05:41:51 -0400 Received: from pps.filterd (ppma06fra.de.ibm.com [127.0.0.1]) by ppma06fra.de.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 08F9YDKe013628; Tue, 15 Sep 2020 09:41:48 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma06fra.de.ibm.com with ESMTP id 33hjgds48p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Sep 2020 09:41:48 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 08F9fj8I27197752 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 15 Sep 2020 09:41:45 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9D3B5A4040; Tue, 15 Sep 2020 09:41:45 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2B475A4055; Tue, 15 Sep 2020 09:41:45 +0000 (GMT) Received: from pomme.tlslab.ibm.com (unknown [9.145.72.89]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 15 Sep 2020 09:41:45 +0000 (GMT) From: Laurent Dufour To: akpm@linux-foundation.org, David Hildenbrand , Oscar Salvador , mhocko@suse.com, Greg Kroah-Hartman Cc: linux-mm@kvack.org, "Rafael J . Wysocki" , nathanl@linux.ibm.com, cheloha@linux.ibm.com, Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v3 1/3] mm: replace memmap_context by memplug_context Date: Tue, 15 Sep 2020 11:41:41 +0200 Message-Id: <20200915094143.79181-2-ldufour@linux.ibm.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200915094143.79181-1-ldufour@linux.ibm.com> References: <20200915094143.79181-1-ldufour@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-09-15_05:2020-09-15,2020-09-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 mlxlogscore=999 spamscore=0 lowpriorityscore=0 suspectscore=0 mlxscore=0 malwarescore=0 clxscore=1015 adultscore=0 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009150087 X-Rspamd-Queue-Id: E50E2800BAB4 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 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: The memmap_context is used to detect whether a memory operation is due to a hot-add operation or happening at boot time. Make it general to the hotplug operation and rename it at memplug_context. There is no functional change introduced by this patch Suggested-by: David Hildenbrand Signed-off-by: Laurent Dufour Reviewed-by: David Hildenbrand Reviewed-by: Oscar Salvador --- arch/ia64/mm/init.c | 6 +++--- include/linux/mm.h | 2 +- include/linux/mmzone.h | 11 ++++++++--- mm/memory_hotplug.c | 2 +- mm/page_alloc.c | 10 +++++----- 5 files changed, 18 insertions(+), 13 deletions(-) diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 0b3fb4c7af29..8e7b8c6c576e 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -538,7 +538,7 @@ virtual_memmap_init(u64 start, u64 end, void *arg) if (map_start < map_end) memmap_init_zone((unsigned long)(map_end - map_start), args->nid, args->zone, page_to_pfn(map_start), - MEMMAP_EARLY, NULL); + MEMINIT_EARLY, NULL); return 0; } @@ -547,8 +547,8 @@ memmap_init (unsigned long size, int nid, unsigned long zone, unsigned long start_pfn) { if (!vmem_map) { - memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY, - NULL); + memmap_init_zone(size, nid, zone, start_pfn, + MEMINIT_EARLY, NULL); } else { struct page *start; struct memmap_init_callback_data args; diff --git a/include/linux/mm.h b/include/linux/mm.h index 1983e08f5906..e942f91ed155 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2409,7 +2409,7 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn, extern void set_dma_reserve(unsigned long new_dma_reserve); extern void memmap_init_zone(unsigned long, int, unsigned long, unsigned long, - enum memmap_context, struct vmem_altmap *); + enum meminit_context, struct vmem_altmap *); extern void setup_per_zone_wmarks(void); extern int __meminit init_per_zone_wmark_min(void); extern void mem_init(void); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 8379432f4f2f..0f7a4ff4b059 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -824,10 +824,15 @@ bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned int alloc_flags); bool zone_watermark_ok_safe(struct zone *z, unsigned int order, unsigned long mark, int highest_zoneidx); -enum memmap_context { - MEMMAP_EARLY, - MEMMAP_HOTPLUG, +/* + * Memory initialization context, use to differentiate memory added by + * the platform statically or via memory hotplug interface. + */ +enum meminit_context { + MEMINIT_EARLY, + MEMINIT_HOTPLUG, }; + extern void init_currently_empty_zone(struct zone *zone, unsigned long start_pfn, unsigned long size); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index e9d5ab5d3ca0..fc25886ad719 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -729,7 +729,7 @@ void __ref move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn, * are reserved so nobody should be touching them so we should be safe */ memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, - MEMMAP_HOTPLUG, altmap); + MEMINIT_HOTPLUG, altmap); set_zone_contiguous(zone); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index fab5e97dc9ca..5661fa164f13 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5975,7 +5975,7 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn) * done. Non-atomic initialization, single-pass. */ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, - unsigned long start_pfn, enum memmap_context context, + unsigned long start_pfn, enum meminit_context context, struct vmem_altmap *altmap) { unsigned long pfn, end_pfn = start_pfn + size; @@ -6007,7 +6007,7 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, * There can be holes in boot-time mem_map[]s handed to this * function. They do not exist on hotplugged memory. */ - if (context == MEMMAP_EARLY) { + if (context == MEMINIT_EARLY) { if (overlap_memmap_init(zone, &pfn)) continue; if (defer_init(nid, pfn, end_pfn)) @@ -6016,7 +6016,7 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, page = pfn_to_page(pfn); __init_single_page(page, pfn, zone, nid); - if (context == MEMMAP_HOTPLUG) + if (context == MEMINIT_HOTPLUG) __SetPageReserved(page); /* @@ -6099,7 +6099,7 @@ void __ref memmap_init_zone_device(struct zone *zone, * check here not to call set_pageblock_migratetype() against * pfn out of zone. * - * Please note that MEMMAP_HOTPLUG path doesn't clear memmap + * Please note that MEMINIT_HOTPLUG path doesn't clear memmap * because this is done early in section_activate() */ if (!(pfn & (pageblock_nr_pages - 1))) { @@ -6137,7 +6137,7 @@ void __meminit __weak memmap_init(unsigned long size, int nid, if (end_pfn > start_pfn) { size = end_pfn - start_pfn; memmap_init_zone(size, nid, zone, start_pfn, - MEMMAP_EARLY, NULL); + MEMINIT_EARLY, NULL); } } }