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authorWaiman Long <longman@redhat.com>2018-03-22 15:18:53 -0400
committerThomas Gleixner <tglx@linutronix.de>2018-03-23 20:18:31 +0100
commit06ace26f4e6fcf747e890a39193be811777a048a (patch)
tree34ab8fe260ed40d330cb6b2ed39b662e488b9ff8
parent31ad7f8e7dc94d3b85ccf9b6141ce6dfd35a1781 (diff)
downloadlinux-stericsson-06ace26f4e6fcf747e890a39193be811777a048a.tar.gz
x86/efi: Free efi_pgd with free_pages()
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 <longman@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/1521746333-19593-1-git-send-email-longman@redhat.com
-rw-r--r--arch/x86/platform/efi/efi_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index c310a8284358..f9cfbc0d1f33 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -227,7 +227,7 @@ 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;
}