From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx163.postini.com [74.125.245.163]) by kanga.kvack.org (Postfix) with SMTP id 0E2A16B0092 for ; Wed, 21 Mar 2012 02:56:33 -0400 (EDT) Received: by mail-bk0-f41.google.com with SMTP id q16so872729bkw.14 for ; Tue, 20 Mar 2012 23:56:32 -0700 (PDT) Subject: [PATCH 04/16] mm/nommu: use vm_flags_t for vma flags From: Konstantin Khlebnikov Date: Wed, 21 Mar 2012 10:56:29 +0400 Message-ID: <20120321065629.13852.5630.stgit@zurg> In-Reply-To: <20120321065140.13852.52315.stgit@zurg> References: <20120321065140.13852.52315.stgit@zurg> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: David Howells , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Greg Ungerer Signed-off-by: Konstantin Khlebnikov Cc: David Howells Cc: Greg Ungerer --- fs/proc/nommu.c | 3 ++- fs/proc/task_nommu.c | 14 ++++++++------ mm/nommu.c | 19 ++++++++++--------- 3 files changed, 20 insertions(+), 16 deletions(-) diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c index b1822dd..cadc798 100644 --- a/fs/proc/nommu.c +++ b/fs/proc/nommu.c @@ -39,7 +39,8 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region) unsigned long ino = 0; struct file *file; dev_t dev = 0; - int flags, len; + int len; + vm_flags_t vm_flags; flags = region->vm_flags; file = region->vm_file; diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 8aaba8c..9abbc66 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -142,10 +142,11 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma, unsigned long ino = 0; struct file *file; dev_t dev = 0; - int flags, len; + int len; + vm_flags_t vm_flags; unsigned long long pgoff = 0; - flags = vma->vm_flags; + vm_flags = vma->vm_flags; file = vma->vm_file; if (file) { @@ -159,10 +160,11 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n", vma->vm_start, vma->vm_end, - flags & VM_READ ? 'r' : '-', - flags & VM_WRITE ? 'w' : '-', - flags & VM_EXEC ? 'x' : '-', - flags & VM_MAYSHARE ? flags & VM_SHARED ? 'S' : 's' : 'p', + vm_flags & VM_READ ? 'r' : '-', + vm_flags & VM_WRITE ? 'w' : '-', + vm_flags & VM_EXEC ? 'x' : '-', + vm_flags & VM_MAYSHARE ? + vm_flags & VM_SHARED ? 'S' : 's' : 'p', pgoff, MAJOR(dev), MINOR(dev), ino, &len); diff --git a/mm/nommu.c b/mm/nommu.c index f59e170..33d0ab7 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -130,7 +130,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, int *retry) { struct vm_area_struct *vma; - unsigned long vm_flags; + vm_flags_t vm_flags; int i; /* calculate required read or write permissions. @@ -658,13 +658,13 @@ static void put_nommu_region(struct vm_region *region) /* * update protection on a vma */ -static void protect_vma(struct vm_area_struct *vma, unsigned long flags) +static void protect_vma(struct vm_area_struct *vma, vm_flags_t vm_flags) { #ifdef CONFIG_MPU struct mm_struct *mm = vma->vm_mm; long start = vma->vm_start & PAGE_MASK; while (start < vma->vm_end) { - protect_page(mm, start, flags); + protect_page(mm, start, vm_flags); start += PAGE_SIZE; } update_protections(mm); @@ -1060,12 +1060,12 @@ static int validate_mmap_request(struct file *file, * we've determined that we can make the mapping, now translate what we * now know into VMA flags */ -static unsigned long determine_vm_flags(struct file *file, - unsigned long prot, - unsigned long flags, - unsigned long capabilities) +static vm_flags_t determine_vm_flags(struct file *file, + unsigned long prot, + unsigned long flags, + unsigned long capabilities) { - unsigned long vm_flags; + vm_flags_t vm_flags; vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags); /* vm_flags |= mm->def_flags; */ @@ -1243,7 +1243,8 @@ unsigned long do_mmap_pgoff(struct file *file, struct vm_area_struct *vma; struct vm_region *region; struct rb_node *rb; - unsigned long capabilities, vm_flags, result; + unsigned long capabilities, result; + vm_flags_t vm_flags; int ret; kenter(",%lx,%lx,%lx,%lx,%lx", addr, len, prot, flags, pgoff); -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org