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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BFDB0C433EF for ; Fri, 5 Nov 2021 20:43:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC65D61356 for ; Fri, 5 Nov 2021 20:43:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233716AbhKEUpv (ORCPT ); Fri, 5 Nov 2021 16:45:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:40840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233648AbhKEUpv (ORCPT ); Fri, 5 Nov 2021 16:45:51 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 602586128E; Fri, 5 Nov 2021 20:43:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1636144991; bh=eM5N+pm1njP5X63INnwBElbqxszRLEi2R6ykway0H8I=; h=Date:From:To:Subject:In-Reply-To:From; b=zwvHcDi7wRZBEX9/2stJt81QJ0NQgqdrOtrX9V6WjW80F37V8x41WgZzp96NdweAH eL8vSUOinhIo4kqZRVPWfDh8lDfJq9tTsgCCjHhkOwhO3/pz8IO4CdoL9UAsze8UWt 5A7yF1FypTwnjWeFl90qMXNq/+nt9ydNGpqy/+50= Date: Fri, 05 Nov 2021 13:43:10 -0700 From: Andrew Morton To: akpm@linux-foundation.org, christophe.leroy@csgroup.eu, jgross@suse.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, rppt@linux.ibm.com, Shahab.Vahedi@synopsys.com, torvalds@linux-foundation.org Subject: [patch 163/262] xen/x86: free_p2m_page: use memblock_free_ptr() to free a virtual pointer Message-ID: <20211105204310.GVV96aqm6%akpm@linux-foundation.org> In-Reply-To: <20211105133408.cccbb98b71a77d5e8430aba1@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Mike Rapoport Subject: xen/x86: free_p2m_page: use memblock_free_ptr() to free a virtual pointer free_p2m_page() wrongly passes a virtual pointer to memblock_free() that treats it as a physical address. Call memblock_free_ptr() instead that gets a virtual address to free the memory. Link: https://lkml.kernel.org/r/20210930185031.18648-3-rppt@kernel.org Signed-off-by: Mike Rapoport Reviewed-by: Juergen Gross Cc: Christophe Leroy Cc: Shahab Vahedi Signed-off-by: Andrew Morton --- arch/x86/xen/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/xen/p2m.c~xen-x86-free_p2m_page-use-memblock_free_ptr-to-free-a-virtual-pointer +++ a/arch/x86/xen/p2m.c @@ -197,7 +197,7 @@ static void * __ref alloc_p2m_page(void) static void __ref free_p2m_page(void *p) { if (unlikely(!slab_is_available())) { - memblock_free((unsigned long)p, PAGE_SIZE); + memblock_free_ptr(p, PAGE_SIZE); return; } _