From nobody Tue Apr 7 19:02:34 2026 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 88FE1C433FE for ; Tue, 18 Oct 2022 18:11:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229967AbiJRSLO (ORCPT ); Tue, 18 Oct 2022 14:11:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230028AbiJRSLD (ORCPT ); Tue, 18 Oct 2022 14:11:03 -0400 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11F5A72FEC for ; Tue, 18 Oct 2022 11:11:02 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id d26so34246229eje.10 for ; Tue, 18 Oct 2022 11:11:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=EAJWBA/OARebIHwOWWIUrI8OsApEiB0+kqbjGVUJums=; b=HvkyVCyohI92aQ42AIyvAmRtEfrXjp3pdtcMqXO4f1kiXF3JRKo6/+ClnJLEJc1Q2j K7WRrHtKlCnYcQgAQY1/2RMQ4v13NmnVELOdn28A4n6N7QTDJP/7yOG85liAJgGQdGg/ O+Ve4jEHCwMyPOWikF0Sw9vsqnh3Ulsi7gfS5owk+S6P902sb28WHA+7IP60laDr6cOn j9JdxHesbeQt4mS+XVtD0VCZEiuDGk64otVXpr3u1cYUDewim+CyLnSDJdAUZ73WQIKg x5bjSJchsWWNoqqH2RFIatAQkN5dBhRtuHJOkSPQKQeyOfdMqZPeHVcpCYju4pGP+Hy+ niow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=EAJWBA/OARebIHwOWWIUrI8OsApEiB0+kqbjGVUJums=; b=bncn5+Pi7syBqWgSpTseURkIBNVcXC7JFtNYkWPw2g9Vq5jYYKuFPVd4ybe/ph9/nc gYYidvvGxJISJyCk1m721itofCi8YSlgm9jV7d1wDBlRTQwda8xXoEEeMTbY8k5U98zH hlkBrbPO7+d7iX+35oD2nGV1xzsGMrX9OIKlCxSELNjFLaD16b8iFroiZUYJ1XeErnDI TZtESaTYtrezHEvAml/uDpOlFh3m1VeIybLUrdijgL7yxSepYaMjsy1s412T3e17z5uc KjjKGCgfFtERgVgvJBtmQX7rw2jITedGT4JHwhaa6+9YgUvoP9+T2/Kgw4XO0kRdnaAu Rfqg== X-Gm-Message-State: ACrzQf1kGpKq7mAMAPKHHKu0duIJ6MsSpyB0XEwTuUdWQNPaqtIqM0j4 ahQNtscInJEcfKTOoNGHb88= X-Google-Smtp-Source: AMsMyM6m69A/S4DEPbsi+ZnkiCQ3JicwD+7InxxliYmIyXlzonVAsFkR6XtzF1+gbfMOqzFtQptv9g== X-Received: by 2002:a17:906:328c:b0:780:7574:ced2 with SMTP id 12-20020a170906328c00b007807574ced2mr3541108ejw.634.1666116660657; Tue, 18 Oct 2022 11:11:00 -0700 (PDT) Received: from pc638.lan ([155.137.26.201]) by smtp.gmail.com with ESMTPSA id c1-20020a17090618a100b007877ad05b32sm7739302ejf.208.2022.10.18.11.10.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Oct 2022 11:11:00 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: Andrew Morton Cc: linux-mm@kvack.org, LKML , Christoph Hellwig , Matthew Wilcox , Nicholas Piggin , Steven Rostedt , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH v2 4/7] mm: vmalloc: Use trace_alloc_vmap_area event Date: Tue, 18 Oct 2022 20:10:50 +0200 Message-Id: <20221018181053.434508-5-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221018181053.434508-1-urezki@gmail.com> References: <20221018181053.434508-1-urezki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This is for debug purpose and is called when an allocation attempt occurs. This event gives some information about: - a start address of allocated area; - a size that is requested; - an align that is required; - vstart/vend restriction; - if an allocation fails. Signed-off-by: Uladzislau Rezki (Sony) Reviewed-by: Christoph Hellwig --- mm/vmalloc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 83b54beb12fa..aa86f21bfad0 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -43,6 +43,9 @@ #include #include =20 +#define CREATE_TRACE_POINTS +#include + #include "internal.h" #include "pgalloc-track.h" =20 @@ -1621,6 +1624,8 @@ static struct vmap_area *alloc_vmap_area(unsigned lon= g size, size, align, vstart, vend); spin_unlock(&free_vmap_area_lock); =20 + trace_alloc_vmap_area(addr, size, align, vstart, vend, addr =3D=3D vend); + /* * If an allocation fails, the "vend" address is * returned. Therefore trigger the overflow path. --=20 2.30.2