From: David Howells <dhowells@redhat.com>
To: David Howells <dhowells@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Andrew Morton <akpm@osdl.org>,
Mark Fasheh <mark.fasheh@oracle.com>,
linux-fsdevel@vger.kernel.org, ocfs2-devel@oss.oracle.com
Subject: Re: [-mm PATCH] ocfs2: Shared writeable mmap
Date: Tue, 20 Jun 2006 14:02:25 +0100 [thread overview]
Message-ID: <9710.1150808545@warthog.cambridge.redhat.com> (raw)
In-Reply-To: <9630.1150808384@warthog.cambridge.redhat.com>
David Howells <dhowells@redhat.com> wrote:
> Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
>
> > - if (unlikely(vma->vm_flags & VM_SHARED)) {
> > + if (unlikely(vma->vm_flags & (VM_SHARED|VM_WRITE) ==
> > + VM_SHARED|VM_WRITE) {
>
> NAK!
>
> "==" is higher priority than "|". What you meant was:
>
> - if (unlikely(vma->vm_flags & VM_SHARED)) {
> + if (unlikely(vma->vm_flags & (VM_SHARED|VM_WRITE) ==
> + (VM_SHARED|VM_WRITE)) {
Or, rather:
- if (unlikely(vma->vm_flags & VM_SHARED)) {
+ if (unlikely(vma->vm_flags & (VM_SHARED|VM_WRITE) ==
+ (VM_SHARED|VM_WRITE))) {
It has insufficient closing brackets otherwise.
David
next prev parent reply other threads:[~2006-06-20 13:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-19 23:46 [-mm PATCH] ocfs2: Shared writeable mmap Mark Fasheh
2006-06-19 23:55 ` [Ocfs2-devel] " Daniel Phillips
2006-06-20 5:42 ` Mark Fasheh
2006-06-20 0:07 ` Andrew Morton
2006-06-20 0:52 ` Mark Fasheh
2006-06-20 7:07 ` Peter Zijlstra
2006-06-20 12:59 ` David Howells
2006-06-20 13:02 ` David Howells [this message]
2006-06-20 13:20 ` [PATCH] Add notification of page becoming writable to VMA ops David Howells
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