From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:53984 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753848AbeCYSvZ (ORCPT ); Sun, 25 Mar 2018 14:51:25 -0400 Subject: Patch "x86/efi: Free efi_pgd with free_pages()" has been added to the 4.15-stable tree To: longman@redhat.com, ard.biesheuvel@linaro.org, dave.hansen@linux.intel.com, gregkh@linuxfoundation.org, tglx@linutronix.de Cc: , From: Date: Sun, 25 Mar 2018 20:51:14 +0200 Message-ID: <152200387470152@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled x86/efi: Free efi_pgd with free_pages() to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-efi-free-efi_pgd-with-free_pages.patch and it can be found in the queue-4.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 06ace26f4e6fcf747e890a39193be811777a048a Mon Sep 17 00:00:00 2001 From: Waiman Long Date: Thu, 22 Mar 2018 15:18:53 -0400 Subject: x86/efi: Free efi_pgd with free_pages() From: Waiman Long commit 06ace26f4e6fcf747e890a39193be811777a048a upstream. The efi_pgd is allocated as PGD_ALLOCATION_ORDER pages and therefore must also be freed as PGD_ALLOCATION_ORDER pages with free_pages(). Fixes: d9e9a6418065 ("x86/mm/pti: Allocate a separate user PGD") Signed-off-by: Waiman Long Signed-off-by: Thomas Gleixner Cc: linux-efi@vger.kernel.org Cc: Dave Hansen Cc: Ard Biesheuvel Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/1521746333-19593-1-git-send-email-longman@redhat.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/platform/efi/efi_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -228,7 +228,7 @@ int __init efi_alloc_page_tables(void) if (!pud) { if (CONFIG_PGTABLE_LEVELS > 4) free_page((unsigned long) pgd_page_vaddr(*pgd)); - free_page((unsigned long)efi_pgd); + free_pages((unsigned long)efi_pgd, PGD_ALLOCATION_ORDER); return -ENOMEM; } Patches currently in stable-queue which might be from longman@redhat.com are queue-4.15/x86-efi-free-efi_pgd-with-free_pages.patch