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[209.132.180.67]) by mx.google.com with ESMTP id dd6si21950907pad.8.2015.07.24.09.43.50; Fri, 24 Jul 2015 09:43:51 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754682AbbGXQnf (ORCPT + 28 others); Fri, 24 Jul 2015 12:43:35 -0400 Received: from mailout2.w1.samsung.com ([210.118.77.12]:50201 "EHLO mailout2.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753030AbbGXQmf (ORCPT ); Fri, 24 Jul 2015 12:42:35 -0400 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout2.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NS000K1W3QYRJ60@mailout2.w1.samsung.com> for linux-kernel@vger.kernel.org; Fri, 24 Jul 2015 17:42:34 +0100 (BST) X-AuditID: cbfec7f4-f79c56d0000012ee-46-55b26afaa7f6 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm1.samsung.com (EUCPMTA) with SMTP id AF.A3.04846.AFA62B55; Fri, 24 Jul 2015 17:42:34 +0100 (BST) Received: from localhost.localdomain ([106.109.129.143]) by eusync1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0NS000K2K3Q21F90@eusync1.samsung.com>; Fri, 24 Jul 2015 17:42:34 +0100 (BST) From: Andrey Ryabinin To: Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org Cc: Arnd Bergmann , Linus Walleij , David Keitel , Alexander Potapenko , Andrew Morton , Dmitry Vyukov , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Alexey Klimov , Andrey Ryabinin Subject: [PATCH v4 6/7] ARM64: kasan: print memory assignment Date: Fri, 24 Jul 2015 19:41:58 +0300 Message-id: <1437756119-12817-7-git-send-email-a.ryabinin@samsung.com> X-Mailer: git-send-email 2.4.5 In-reply-to: <1437756119-12817-1-git-send-email-a.ryabinin@samsung.com> References: <1437756119-12817-1-git-send-email-a.ryabinin@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrNLMWRmVeSWpSXmKPExsVy+t/xy7q/sjaFGpxuF7XY9usRm8Wc9WvY LP5OOsZu8X5ZD6PF7kvPmC0mPGxjt2j/uJfZ4tT5hywWU/4sZ7LY9Pgaq8XlXXPYLO6t+c9q 8fLjCRYHXo8189Ywevz+NYnR43JfL5PHzll32T0WbCr12PRpErvHnWt72DxOzPjN4rF5Sb1H 35ZVjB6fN8kFcEdx2aSk5mSWpRbp2yVwZSxcc4m94L5QxYzjc9gbGHfzdTFyckgImEhs7v/A BmGLSVy4tx7MFhJYyijR/FS/i5ELyG5ikti8bRJYgk1AT+LfrO1gtohAhcTVqxMYQWxmgV9M EtvmOYDYwgK2EvcbvzOB2CwCqhIbH/1lB7F5Bdwk9s84xtLFyAG0TE5iaXMtSJhTwF2i6dFZ sLAQUMmCjUITGHkXMDKsYhRNLU0uKE5KzzXUK07MLS7NS9dLzs/dxAgJ4i87GBcfszrEKMDB qMTDe2DSxlAh1sSy4srcQ4wSHMxKIrwOnptChXhTEiurUovy44tKc1KLDzFKc7AoifPO3fU+ REggPbEkNTs1tSC1CCbLxMEp1cAov/ZQSnDS1ugDCacytjIuqDh6b8qLzabWMn+6o4zZODcc f63sH3P4ulad5izzQ59SjBgK96xWyE7Zf+DM7KOfowu37wldbSGjs/33NuUzYttdv316w8u/ /tuN1v831M2/nti4sUAxODKEOffM4ZI3b6etzztv2FNXsJQvP+8XS09T29MYocXtSizFGYmG WsxFxYkA/lCdVl4CAAA= Sender: linux-kernel-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: linux-kernel-owner@vger.kernel.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.51 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , From: Linus Walleij This prints out the virtual memory assigned to KASan in the boot crawl along with other memory assignments, if and only if KASan is activated. Example dmesg from the Juno Development board: Memory: 1691156K/2080768K available (5465K kernel code, 444K rwdata, 2160K rodata, 340K init, 217K bss, 373228K reserved, 16384K cma-reserved) Virtual kernel memory layout: kasan : 0xffffff8000000000 - 0xffffff9000000000 ( 64 GB) vmalloc : 0xffffff9000000000 - 0xffffffbdbfff0000 ( 182 GB) vmemmap : 0xffffffbdc0000000 - 0xffffffbfc0000000 ( 8 GB maximum) 0xffffffbdc2000000 - 0xffffffbdc3fc0000 ( 31 MB actual) fixed : 0xffffffbffabfd000 - 0xffffffbffac00000 ( 12 KB) PCI I/O : 0xffffffbffae00000 - 0xffffffbffbe00000 ( 16 MB) modules : 0xffffffbffc000000 - 0xffffffc000000000 ( 64 MB) memory : 0xffffffc000000000 - 0xffffffc07f000000 ( 2032 MB) .init : 0xffffffc0007f5000 - 0xffffffc00084a000 ( 340 KB) .text : 0xffffffc000080000 - 0xffffffc0007f45b4 ( 7634 KB) .data : 0xffffffc000850000 - 0xffffffc0008bf200 ( 445 KB) Signed-off-by: Linus Walleij Signed-off-by: Andrey Ryabinin Acked-by: Catalin Marinas --- arch/arm64/mm/init.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index ad87ce8..3930692 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -298,6 +298,9 @@ void __init mem_init(void) #define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K) pr_notice("Virtual kernel memory layout:\n" +#ifdef CONFIG_KASAN + " kasan : 0x%16lx - 0x%16lx (%6ld GB)\n" +#endif " vmalloc : 0x%16lx - 0x%16lx (%6ld GB)\n" #ifdef CONFIG_SPARSEMEM_VMEMMAP " vmemmap : 0x%16lx - 0x%16lx (%6ld GB maximum)\n" @@ -310,6 +313,9 @@ void __init mem_init(void) " .init : 0x%p" " - 0x%p" " (%6ld KB)\n" " .text : 0x%p" " - 0x%p" " (%6ld KB)\n" " .data : 0x%p" " - 0x%p" " (%6ld KB)\n", +#ifdef CONFIG_KASAN + MLG(KASAN_SHADOW_START, KASAN_SHADOW_END), +#endif MLG(VMALLOC_START, VMALLOC_END), #ifdef CONFIG_SPARSEMEM_VMEMMAP MLG((unsigned long)vmemmap,