Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753216AbdCHMwQ (ORCPT ); Wed, 8 Mar 2017 07:52:16 -0500 Received: from mx1.redhat.com ([209.132.183.28]:60376 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752095AbdCHMwO (ORCPT ); Wed, 8 Mar 2017 07:52:14 -0500 Date: Wed, 8 Mar 2017 18:45:57 +0800 From: Baoquan He To: linux-kernel@vger.kernel.org Cc: linux-efi@vger.kernel.org, thgarnie@google.com, keescook@chromium.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, akpm@linux-foundation.org, dyoung@redhat.com Subject: [PATCH v2 1/2] x86/efi/64: Clean up code comment about efi region Message-ID: <20170308104557.GE6570@x1> References: <1488959258-4731-1-git-send-email-bhe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1488959258-4731-1-git-send-email-bhe@redhat.com> User-Agent: Mutt/1.7.0 (2016-08-17) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 08 Mar 2017 10:46:03 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 874 Lines: 27 EFI allocates runtime services regions starting from EFI_VA_START, -4G, decrement to EFI_VA_END. So remove the bottom-up term to avoid confusion. Signed-off-by: Baoquan He --- arch/x86/platform/efi/efi_64.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index a4695da..e941b29 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -47,8 +47,9 @@ #include /* - * We allocate runtime services regions bottom-up, starting from -4G, i.e. - * 0xffff_ffff_0000_0000 and limit EFI VA mapping space to 64G. + * We allocate runtime services regions starting from -4G, i.e. + * 0xffff_ffff_0000_0000 and decrement as we go. The EFI VA mapping space + * is limited to 64G. */ static u64 efi_va = EFI_VA_START; -- 2.5.5