From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l1JIWTmS028252 for ; Mon, 19 Feb 2007 13:32:29 -0500 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v8.2) with ESMTP id l1JIVk9d292748 for ; Mon, 19 Feb 2007 13:31:46 -0500 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l1JIVjSD011041 for ; Mon, 19 Feb 2007 13:31:45 -0500 From: Adam Litke Subject: [PATCH 2/7] copy_vma for hugetlbfs Date: Mon, 19 Feb 2007 10:31:44 -0800 Message-Id: <20070219183144.27318.64028.stgit@localhost.localdomain> In-Reply-To: <20070219183123.27318.27319.stgit@localhost.localdomain> References: <20070219183123.27318.27319.stgit@localhost.localdomain> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, agl@us.ibm.com List-ID: Signed-off-by: Adam Litke --- fs/hugetlbfs/inode.c | 6 ++++++ mm/memory.c | 4 ++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 4f4cd13..c0a7984 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -36,6 +36,7 @@ static struct super_operations hugetlbfs_ops; static const struct address_space_operations hugetlbfs_aops; const struct file_operations hugetlbfs_file_operations; +static struct pagetable_operations_struct hugetlbfs_pagetable_ops; static struct inode_operations hugetlbfs_dir_inode_operations; static struct inode_operations hugetlbfs_inode_operations; @@ -70,6 +71,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) */ vma->vm_flags |= VM_HUGETLB | VM_RESERVED; vma->vm_ops = &hugetlb_vm_ops; + vma->pagetable_ops = &hugetlbfs_pagetable_ops; vma_len = (loff_t)(vma->vm_end - vma->vm_start); @@ -560,6 +562,10 @@ const struct file_operations hugetlbfs_file_operations = { .get_unmapped_area = hugetlb_get_unmapped_area, }; +static struct pagetable_operations_struct hugetlbfs_pagetable_ops = { + .copy_vma = copy_hugetlb_page_range, +}; + static struct inode_operations hugetlbfs_dir_inode_operations = { .create = hugetlbfs_create, .lookup = simple_lookup, diff --git a/mm/memory.c b/mm/memory.c index ef09f0a..80eafd5 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -602,8 +602,8 @@ int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm, return 0; } - if (is_vm_hugetlb_page(vma)) - return copy_hugetlb_page_range(dst_mm, src_mm, vma); + if (has_pt_op(vma, copy_vma)) + return pt_op(vma, copy_vma)(dst_mm, src_mm, vma); dst_pgd = pgd_offset(dst_mm, addr); src_pgd = pgd_offset(src_mm, addr); -- 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