From patchwork Tue Jan 26 11:58:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 12046195 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51959C433DB for ; Tue, 26 Jan 2021 11:58:50 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D065C23120 for ; Tue, 26 Jan 2021 11:58:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D065C23120 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 15BBE8D00C8; Tue, 26 Jan 2021 06:58:49 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 10A718D00B0; Tue, 26 Jan 2021 06:58:49 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F3B8B8D00C8; Tue, 26 Jan 2021 06:58:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0068.hostedemail.com [216.40.44.68]) by kanga.kvack.org (Postfix) with ESMTP id DF16D8D00B0 for ; Tue, 26 Jan 2021 06:58:48 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id A8A363636 for ; Tue, 26 Jan 2021 11:58:48 +0000 (UTC) X-FDA: 77747779536.14.month40_270300e2758e Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin14.hostedemail.com (Postfix) with ESMTP id 748C018229835 for ; Tue, 26 Jan 2021 11:58:48 +0000 (UTC) X-HE-Tag: month40_270300e2758e X-Filterd-Recvd-Size: 6771 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by imf25.hostedemail.com (Postfix) with ESMTP for ; Tue, 26 Jan 2021 11:58:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611662327; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=CXtH9iqe5CxsuS1iT0M6Cxkc2fG+D5KUD5SMADHTIIk=; b=QK4is44ZFLje5JkiscK8OlL9VGr3IIAMWEE1XUMbBdv5SpfXugc6cRb2KBced9AwMNbDHX qk9raT/MZp1Y557ejm1givgMUYhqWehi/IssbzEuIhshBgJHOvSRme15kcafFYqOrhSEbQ f/M3xXz9GI7HbBW1yUCe6RdyB/oIexk= 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-446-BVQC5xv5MCqMrpZFuyFWbQ-1; Tue, 26 Jan 2021 06:58:43 -0500 X-MC-Unique: BVQC5xv5MCqMrpZFuyFWbQ-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 EFB8E15725; Tue, 26 Jan 2021 11:58:40 +0000 (UTC) Received: from t480s.redhat.com (ovpn-114-192.ams2.redhat.com [10.36.114.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id C093B5D9C2; Tue, 26 Jan 2021 11:58:30 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , "Michael S. Tsirkin" , Jason Wang , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Pankaj Gupta , Michal Hocko , Oscar Salvador , Anshuman Khandual , Wei Yang , linux-hyperv@vger.kernel.org, virtualization@lists.linux-foundation.org, xen-devel@lists.xenproject.org Subject: [PATCH v1] mm/memory_hotplug: MEMHP_MERGE_RESOURCE -> MHP_MERGE_RESOURCE Date: Tue, 26 Jan 2021 12:58:29 +0100 Message-Id: <20210126115829.10909-1-david@redhat.com> MIME-Version: 1.0 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: Let's make "MEMHP_MERGE_RESOURCE" consistent with "MHP_NONE", "mhp_t" and "mhp_flags". As discussed recently [1], "mhp" is our internal acronym for memory hotplug now. [1] https://lore.kernel.org/linux-mm/c37de2d0-28a1-4f7d-f944-cfd7d81c334d@redhat.com/ Cc: Andrew Morton Cc: "K. Y. Srinivasan" Cc: Haiyang Zhang Cc: Stephen Hemminger Cc: Wei Liu Cc: "Michael S. Tsirkin" Cc: Jason Wang Cc: Boris Ostrovsky Cc: Juergen Gross Cc: Stefano Stabellini Cc: Pankaj Gupta Cc: Michal Hocko Cc: Oscar Salvador Cc: Anshuman Khandual Cc: Wei Yang Cc: linux-hyperv@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Cc: xen-devel@lists.xenproject.org Signed-off-by: David Hildenbrand Reviewed-by: Miaohe Lin Acked-by: Michael S. Tsirkin Reviewed-by: Oscar Salvador Acked-by: Wei Liu --- drivers/hv/hv_balloon.c | 2 +- drivers/virtio/virtio_mem.c | 2 +- drivers/xen/balloon.c | 2 +- include/linux/memory_hotplug.h | 2 +- mm/memory_hotplug.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 8c471823a5af..2f776d78e3c1 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -726,7 +726,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size, nid = memory_add_physaddr_to_nid(PFN_PHYS(start_pfn)); ret = add_memory(nid, PFN_PHYS((start_pfn)), - (HA_CHUNK << PAGE_SHIFT), MEMHP_MERGE_RESOURCE); + (HA_CHUNK << PAGE_SHIFT), MHP_MERGE_RESOURCE); if (ret) { pr_err("hot_add memory failed error is %d\n", ret); diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c index 85a272c9978e..148bea39b09a 100644 --- a/drivers/virtio/virtio_mem.c +++ b/drivers/virtio/virtio_mem.c @@ -623,7 +623,7 @@ static int virtio_mem_add_memory(struct virtio_mem *vm, uint64_t addr, /* Memory might get onlined immediately. */ atomic64_add(size, &vm->offline_size); rc = add_memory_driver_managed(vm->nid, addr, size, vm->resource_name, - MEMHP_MERGE_RESOURCE); + MHP_MERGE_RESOURCE); if (rc) { atomic64_sub(size, &vm->offline_size); dev_warn(&vm->vdev->dev, "adding memory failed: %d\n", rc); diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index b57b2067ecbf..671c71245a7b 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -331,7 +331,7 @@ static enum bp_state reserve_additional_memory(void) mutex_unlock(&balloon_mutex); /* add_memory_resource() requires the device_hotplug lock */ lock_device_hotplug(); - rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE); + rc = add_memory_resource(nid, resource, MHP_MERGE_RESOURCE); unlock_device_hotplug(); mutex_lock(&balloon_mutex); diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 3d99de0db2dd..4b834f5d032e 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -53,7 +53,7 @@ typedef int __bitwise mhp_t; * with this flag set, the resource pointer must no longer be used as it * might be stale, or the resource might have changed. */ -#define MEMHP_MERGE_RESOURCE ((__force mhp_t)BIT(0)) +#define MHP_MERGE_RESOURCE ((__force mhp_t)BIT(0)) /* * Extended parameters for memory hotplug: diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 710e469fb3a1..ae497e3ff77c 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1153,7 +1153,7 @@ int __ref add_memory_resource(int nid, struct resource *res, mhp_t mhp_flags) * In case we're allowed to merge the resource, flag it and trigger * merging now that adding succeeded. */ - if (mhp_flags & MEMHP_MERGE_RESOURCE) + if (mhp_flags & MHP_MERGE_RESOURCE) merge_system_ram_resource(res); /* online pages if requested */