From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org ([203.10.76.45]:49664 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992592AbXDDECb (ORCPT ); Wed, 4 Apr 2007 00:02:31 -0400 From: Benjamin Herrenschmidt Date: Wed, 04 Apr 2007 14:02:20 +1000 Subject: [PATCH 10/14] get_unmapped_area handles MAP_FIXED in hugetlbfs In-Reply-To: <1175659331.690672.592289266160.qpush@grosgo> Message-Id: <20070404040231.1F9B5DDEB6@ozlabs.org> Sender: linux-arch-owner@vger.kernel.org To: Andrew Morton Cc: linux-arch@vger.kernel.org, Linux Memory Management , linux-kernel@vger.kernel.org List-ID: Signed-off-by: Benjamin Herrenschmidt --- fs/hugetlbfs/inode.c | 6 ++++++ 1 file changed, 6 insertions(+) Index: linux-cell/fs/hugetlbfs/inode.c =================================================================== --- linux-cell.orig/fs/hugetlbfs/inode.c 2007-03-22 16:12:56.000000000 +1100 +++ linux-cell/fs/hugetlbfs/inode.c 2007-03-22 16:16:02.000000000 +1100 @@ -115,6 +115,12 @@ hugetlb_get_unmapped_area(struct file *f if (len > TASK_SIZE) return -ENOMEM; + if (flags & MAP_FIXED) { + if (prepare_hugepage_range(addr, len, pgoff)) + return -EINVAL; + return addr; + } + if (addr) { addr = ALIGN(addr, HPAGE_SIZE); vma = find_vma(mm, addr);