Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932469AbXBSSco (ORCPT ); Mon, 19 Feb 2007 13:32:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932478AbXBSSco (ORCPT ); Mon, 19 Feb 2007 13:32:44 -0500 Received: from e31.co.us.ibm.com ([32.97.110.149]:56268 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932479AbXBSSck (ORCPT ); Mon, 19 Feb 2007 13:32:40 -0500 From: Adam Litke Subject: [PATCH 7/7] hugetlbfs fault handler Date: Mon, 19 Feb 2007 10:32:38 -0800 To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, agl@us.ibm.com Message-Id: <20070219183237.27318.97223.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 User-Agent: StGIT/0.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2138 Lines: 63 Signed-off-by: Adam Litke --- fs/hugetlbfs/inode.c | 1 + mm/hugetlb.c | 4 +++- mm/memory.c | 4 ++-- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 3461f9b..1de73c1 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -568,6 +568,7 @@ static struct pagetable_operations_struct hugetlbfs_pagetable_ops = { .unmap_page_range = unmap_hugepage_range, .change_protection = hugetlb_change_protection, .free_pgtable_range = hugetlb_free_pgd_range, + .fault = hugetlb_fault, }; static struct inode_operations hugetlbfs_dir_inode_operations = { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 3bcc0db..63de369 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -588,6 +588,8 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long vaddr = *position; int remainder = *length; + BUG_ON(!has_pt_op(vma, fault)); + spin_lock(&mm->page_table_lock); while (vaddr < vma->vm_end && remainder) { pte_t *pte; @@ -604,7 +606,7 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, int ret; spin_unlock(&mm->page_table_lock); - ret = hugetlb_fault(mm, vma, vaddr, 0); + ret = pt_op(vma, fault)(mm, vma, vaddr, 0); spin_lock(&mm->page_table_lock); if (ret == VM_FAULT_MINOR) continue; diff --git a/mm/memory.c b/mm/memory.c index 442e6b2..c8e17b4 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2455,8 +2455,8 @@ int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, count_vm_event(PGFAULT); - if (unlikely(is_vm_hugetlb_page(vma))) - return hugetlb_fault(mm, vma, address, write_access); + if (unlikely(has_pt_op(vma, fault))) + return pt_op(vma, fault)(mm, vma, address, write_access); pgd = pgd_offset(mm, address); pud = pud_alloc(mm, pgd, address); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/