From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751881AbeEKSEg (ORCPT ); Fri, 11 May 2018 14:04:36 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:40165 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751739AbeEKSEd (ORCPT ); Fri, 11 May 2018 14:04:33 -0400 X-Google-Smtp-Source: AB8JxZoIRKxlV/0zgZNkWPlSobbjfDtZrYorhLpy3XDK08PpeHRVakbT8ks0WKdt2J11DATnd1ombg== Date: Fri, 11 May 2018 23:36:39 +0530 From: Souptick Joarder To: akpm@linux-foundation.org, mhocko@suse.com, hughd@google.com, dan.j.williams@intel.com, rientjes@google.com, mike.kravetz@oracle.com, n-horiguchi@ah.jp.nec.com, aneesh.kumar@linux.vnet.ibm.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, willy@infradead.org Subject: [PATCH v2] mm: Change return type to vm_fault_t Message-ID: <20180511180639.GA1792@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use new return type vm_fault_t for fault handler in struct vm_operations_struct. For now, this is just documenting that the function returns a VM_FAULT value rather than an errno. Once all instances are converted, vm_fault_t will become a distinct type. commit 1c8f422059ae ("mm: change return type to vm_fault_t") Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox --- v2: Updated the change log mm/hugetlb.c | 2 +- mm/mmap.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 7c204e3..acb432a 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3158,7 +3158,7 @@ static int hugetlb_vm_op_split(struct vm_area_struct *vma, unsigned long addr) * hugegpage VMA. do_page_fault() is supposed to trap this, so BUG is we get * this far. */ -static int hugetlb_vm_op_fault(struct vm_fault *vmf) +static vm_fault_t hugetlb_vm_op_fault(struct vm_fault *vmf) { BUG(); return 0; diff --git a/mm/mmap.c b/mm/mmap.c index 9efdc021..ac41b34 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3208,7 +3208,7 @@ void vm_stat_account(struct mm_struct *mm, vm_flags_t flags, long npages) mm->data_vm += npages; } -static int special_mapping_fault(struct vm_fault *vmf); +static vm_fault_t special_mapping_fault(struct vm_fault *vmf); /* * Having a close hook prevents vma merging regardless of flags. @@ -3247,7 +3247,7 @@ static int special_mapping_mremap(struct vm_area_struct *new_vma) .fault = special_mapping_fault, }; -static int special_mapping_fault(struct vm_fault *vmf) +static vm_fault_t special_mapping_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; pgoff_t pgoff; -- 1.9.1