From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by fg-out-1718.google.com with SMTP id 19so3276759fgg.4 for ; Sun, 20 Jul 2008 08:15:29 -0700 (PDT) Message-ID: <6101e8c40807200815x68da6731t210b8fbbbe510673@mail.gmail.com> Date: Sun, 20 Jul 2008 17:15:29 +0200 From: "Oliver Pinter" Subject: [RFC] x86 fix for stable MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: stable@kernel.org Cc: Jack Steiner , linux-mm@kvack.org, Ingo Molnar List-ID: git id: e22146e610bb7aed63282148740ab1d1b91e1d90 commit e22146e610bb7aed63282148740ab1d1b91e1d90 Author: Jack Steiner Date: Wed Jul 16 11:11:59 2008 -0500 x86: fix kernel_physical_mapping_init() for large x86 systems Fix bug in kernel_physical_mapping_init() that causes kernel page table to be built incorrectly for systems with greater than 512GB of memory. Signed-off-by: Jack Steiner Cc: linux-mm@kvack.org Signed-off-by: Ingo Molnar diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 27de243..306049e 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -644,7 +644,7 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start, unsigned long pud_phys; pud_t *pud; - next = start + PGDIR_SIZE; + next = (start + PGDIR_SIZE) & PGDIR_MASK; if (next > end) next = end; -- Thanks, Oliver -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org