From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0ED382E091B for ; Thu, 24 Jul 2025 13:56:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753365413; cv=none; b=G+CllhZ6Phtr050tdax8faShFZTddwVy371lbjTdzcPh6QyC+/QOyPQMw8kIDJsFS7QuMSRgAfxsOAJEoB+sc/S3AdaSteFpiBcl5PivixRZGyDVR8y6CVYXj74Ft0v+PPwF1gJf8C+TJxfWw3R9h21wvDBawZlmXpeMCvtbKpA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753365413; c=relaxed/simple; bh=SQxu0R+MOijEBbbV34mwRJA/GN24qy3N7mFo2kprDqM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=u3zOaVF+TpZRVWSw9HSC3JqGGrBfkJbX+DebGPQCNTWEwMjzOvNAh62bDUI1dpx81UPDLP8n4zyR8Sr94FMGC4+zq8X3J4/YTK4GO9X/sBG5lVJrc7U0+WAX5bkKCTPyGAtuM4KnIlNicXkCGDEPvyL90xK7LuYgFVkwGglS6Jg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=V+yP+DjN; arc=none smtp.client-ip=209.85.128.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="V+yP+DjN" Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-455b00283a5so6424325e9.0 for ; Thu, 24 Jul 2025 06:56:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1753365407; x=1753970207; darn=vger.kernel.org; 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=GVVaZTfA71hNG0BSuf2xrM/AfoVAw+w3Csdp+8nmO5Q=; b=V+yP+DjNiFBdmZX0+X+1GT/0jSDVJQdpQWqF0ppRaNQzc49toUn7rWNbIPLNzBTV3v wNWkiexWDjY63ikTVsoU/ILyqacQjZ8QacKphScsC4/f5U/YePpcxYSjHSY+u+V5+Ltx sskxvykF7Bu6ijU8AFPBb6/AO6OoNgxwzH9F4MeY4v26sSuSak4sPl62uaKzjx8DkVRd jLbvBD4ef/mS8ygVvLqsdORg8bSZCWfz5Gmfn7oatkWV7HvTa84xItdTnRbb2envSyQ9 LHRe94Xf+/ggX86LXMsDhr6R4dQIHDZ2xL7nhc31q42I1RLqBZCiOXI8TCGbKrwR9TTW 712A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753365407; x=1753970207; 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=GVVaZTfA71hNG0BSuf2xrM/AfoVAw+w3Csdp+8nmO5Q=; b=TWIHAWcn+w3TQDjiLAgvbE+nN8bNCoBfosKH9ZKStlCDpSyx54iXurGzVHY0ms1kfM +JmVpap7n69nI1npok7P2ovjek16mf1sYiQRZ91vPaFnsSTQ1fiBZWnGBZuZbM2A5J1+ /5D5/LmvPk8zDKsatf1DpeERKTdA8ECqcXONgfZJK9fZW/nTk2/JGO8kyLFSOU54+Enz 21hJND7FDmJj6YxUNm71104i3V1MUn3Tl/zPhMK1Eu7wMwiP4u0y/A9sTfsviTfQ484/ DXXYEkWBylQa01++7gKTemtFMZvPzKJ1YPPP7c5Xw48bbg5TD2q3KRAUc1obU+Rldgxq 0jEw== X-Forwarded-Encrypted: i=1; AJvYcCVKt11Sptk4Dbe2BNH86HewKe4uGv07J1fbigUIoglqsEGNAFGAbzvw0/LKQJQp42oqCFPXOQu4+yYL@vger.kernel.org X-Gm-Message-State: AOJu0YykqWKyQpIai5JEaf15+GULMEdmOCFJalkJojmVsFqgfmgdTNV9 v/c/gnIw/p5i+hXZ8ytOaEVWKIYmdbdiEYWpwp9b7SFwlFLTi6KjX3qGBXbwKUWsPno= X-Gm-Gg: ASbGncuNal5LshA3VvzzrKMbP6FAvN8wmBLU4zY/XuTNE4kJEh61M582FAcWcUN3kww PIfIPC0uUI9K1lpdKCBWXIbETuzwP6xFsIqkaVj7H90uw+WJ8b6GmT8WcdKcIla3Y6zvOypEBqq X3gYsODnsUPz8uWB8DWfGHBFbO1puqZuDxrGrjy2RU3Bxxek1Fgv/XVCTskN+VeiMJfNUpg0km+ NDdDZBKfj0obeKxID4SEvny+0lmUXu6TGr3ugz3gnzkpfpFkJeIxATQWpX2yDOlvDgg3vaCAtWi ynM6FzLhXIeXVXFTKEEfec+B9dsUAUOfIdrAuUbJnFe7yfM95BTknxMrTk08IjIipaLUyagAwxc 9NX2vsOHC8qwQFnHQtU5U/v8B8HdQNBG6Mo5UqVNUdueQ4Ws++ouPX2rUkcfMekCthUE5c3e1LL fEf4yZWxX21zkM X-Google-Smtp-Source: AGHT+IEY/sSxRS3Okztem0YstmxIRhVbZi0Ba2eKMOhhVazzTllUuYgXqZyOH8eoFni3mxJ7gmSmCg== X-Received: by 2002:a05:600c:630f:b0:456:2bac:8f8 with SMTP id 5b1f17b1804b1-45868d485b0mr79331075e9.16.1753365407522; Thu, 24 Jul 2025 06:56:47 -0700 (PDT) Received: from eugen-station.. (cpc148880-bexl9-2-0-cust354.2-3.cable.virginm.net. [82.11.253.99]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4587054e37dsm20889375e9.14.2025.07.24.06.56.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jul 2025 06:56:47 -0700 (PDT) From: Eugen Hristev To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com Cc: linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, eugen.hristev@linaro.org, corbet@lwn.net, mojha@qti.qualcomm.com, rostedt@goodmis.org, jonechou@google.com, tudor.ambarus@linaro.org Subject: [RFC][PATCH v2 28/29] mm/init-mm: Annotate additional information into Kmemdump Date: Thu, 24 Jul 2025 16:55:11 +0300 Message-ID: <20250724135512.518487-29-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250724135512.518487-1-eugen.hristev@linaro.org> References: <20250724135512.518487-1-eugen.hristev@linaro.org> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Annotate additional static information into kmemdump: - _sinittext - _einittext - _end - _text - _stext - _etext - swapper_pg_dir Information on these variables is stored into dedicated kmemdump section. Signed-off-by: Eugen Hristev --- mm/init-mm.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mm/init-mm.c b/mm/init-mm.c index 2dbbaf640cf4..01ff91f35b23 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -20,6 +20,13 @@ const struct vm_operations_struct vma_dummy_vm_ops; +KMEMDUMP_VAR_CORE(_sinittext, sizeof(void *)); +KMEMDUMP_VAR_CORE(_einittext, sizeof(void *)); +KMEMDUMP_VAR_CORE(_end, sizeof(void *)); +KMEMDUMP_VAR_CORE(_text, sizeof(void *)); +KMEMDUMP_VAR_CORE(_stext, sizeof(void *)); +KMEMDUMP_VAR_CORE(_etext, sizeof(void *)); + /* * For dynamically allocated mm_structs, there is a dynamically sized cpumask * at the end of the structure, the size of which depends on the maximum CPU @@ -51,6 +58,7 @@ struct mm_struct init_mm = { KMEMDUMP_VAR_CORE(init_mm, sizeof(init_mm)); KMEMDUMP_VAR_CORE_NAMED(init_mm_pgd, init_mm.pgd, sizeof(*init_mm.pgd)); +KMEMDUMP_VAR_CORE(swapper_pg_dir, sizeof(&swapper_pg_dir)); void setup_initial_init_mm(void *start_code, void *end_code, void *end_data, void *brk) -- 2.43.0