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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD54DC433F5 for ; Wed, 5 Oct 2022 09:03:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229953AbiJEJDe (ORCPT ); Wed, 5 Oct 2022 05:03:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229806AbiJEJD2 (ORCPT ); Wed, 5 Oct 2022 05:03:28 -0400 Received: from relay.virtuozzo.com (relay.virtuozzo.com [130.117.225.111]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B243A5D132; Wed, 5 Oct 2022 02:03:27 -0700 (PDT) Received: from dev011.ch-qa.sw.ru ([172.29.1.16]) by relay.virtuozzo.com with esmtp (Exim 4.95) (envelope-from ) id 1og0GS-007ckN-ED; Wed, 05 Oct 2022 11:02:53 +0200 From: Alexander Atanasov To: "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui Cc: kernel@openvz.org, Alexander Atanasov , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 7/7] drivers: hyperv: balloon - report inflated memory Date: Wed, 5 Oct 2022 12:01:57 +0300 Message-Id: <20221005090158.2801592-8-alexander.atanasov@virtuozzo.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221005090158.2801592-1-alexander.atanasov@virtuozzo.com> References: <20221005090158.2801592-1-alexander.atanasov@virtuozzo.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Propagate inflated memory changes to mm. Signed-off-by: Alexander Atanasov --- drivers/hv/hv_balloon.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index fdf6decacf06..b4c828c462a4 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -1280,6 +1281,13 @@ static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm, return i * alloc_unit; } +static void report_ballooned_pages(struct hv_dynmem_device *dm) +{ + u32 actual = dm->num_pages_ballooned; + long inflated_kb = actual << (HV_HYP_PAGE_SHIFT - 10); + + balloon_set_inflated_total(inflated_kb); +} + static void balloon_up(struct work_struct *dummy) { unsigned int num_pages = dm_device.balloon_wrk.num_pages; @@ -1368,6 +1376,7 @@ static void balloon_up(struct work_struct *dummy) } } + report_ballooned_pages(&dm_device); } static void balloon_down(struct hv_dynmem_device *dm, @@ -1387,6 +1396,8 @@ static void balloon_down(struct hv_dynmem_device *dm, pr_debug("Freed %u ballooned pages.\n", prev_pages_ballooned - dm->num_pages_ballooned); + report_ballooned_pages(dm); + if (req->more_pages == 1) return; -- 2.31.1