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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 39ADBC3A589 for ; Tue, 20 Aug 2019 13:41:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 065DD2332A for ; Tue, 20 Aug 2019 13:41:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308485; bh=e/1P0V9l37AQ5JpRuCZIgnLRVgaOKyQoQNB8AnYfnW0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hPGTVuzYvSLlSMP/z2/SHoU+HsQg6JxX1BpJH7Ibe8gUmc9VIhu+TVjXUEh+PvwWz sUjXaHh09cUsMZUGNr0Gd5Y+Q9nZ3y+qulfJfFrftcQHyDcFJe67rFU/QkdA7sAKB9 tE/f2kbEAF1FAMsyhEnooaMjo03zIVlTzhSaedHY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730372AbfHTNlU (ORCPT ); Tue, 20 Aug 2019 09:41:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:36174 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730329AbfHTNlI (ORCPT ); Tue, 20 Aug 2019 09:41:08 -0400 Received: from sasha-vm.mshome.net (unknown [12.236.144.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C81A32339D; Tue, 20 Aug 2019 13:41:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308468; bh=e/1P0V9l37AQ5JpRuCZIgnLRVgaOKyQoQNB8AnYfnW0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pN3Bc3BezSg+dCZWuaBUb/v9Vi8bzFb0dYX8vSZJFR6bWJ5zu5UI7RDvKqzNv3MPf x/XEIvmX005GmvrUSTLhxGpcWe+BGFHi8AB8opjFK3oDOhfOpWTVD1x4dCIrwMlbqc J8avMC4Wj4H8ha1NlTH10BYEDpK+/RMOV7uIbZbE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tomer Tayar , Oded Gabbay , Sasha Levin Subject: [PATCH AUTOSEL 5.2 30/44] habanalabs: fix DRAM usage accounting on context tear down Date: Tue, 20 Aug 2019 09:40:14 -0400 Message-Id: <20190820134028.10829-30-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190820134028.10829-1-sashal@kernel.org> References: <20190820134028.10829-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tomer Tayar [ Upstream commit c8113756ba27298d6e95403c087dc5881b419a99 ] The patch fix the DRAM usage accounting by adding a missing update of the DRAM memory consumption, when a context is being torn down without an organized release of the allocated memory. Signed-off-by: Tomer Tayar Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay Signed-off-by: Sasha Levin --- drivers/misc/habanalabs/memory.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c index 693877e37fd87..924a438ba9736 100644 --- a/drivers/misc/habanalabs/memory.c +++ b/drivers/misc/habanalabs/memory.c @@ -1629,6 +1629,8 @@ void hl_vm_ctx_fini(struct hl_ctx *ctx) dev_dbg(hdev->dev, "page list 0x%p of asid %d is still alive\n", phys_pg_list, ctx->asid); + atomic64_sub(phys_pg_list->total_size, + &hdev->dram_used_mem); free_phys_pg_pack(hdev, phys_pg_list); idr_remove(&vm->phys_pg_pack_handles, i); } -- 2.20.1