11 Apr
2014
11 Apr
'14
10:07 p.m.
On Fri, Apr 11, 2014 at 2:42 PM, David Herrmann dh.herrmann@gmail.com wrote:
Hi
On Fri, Apr 11, 2014 at 11:36 PM, Andy Lutomirski luto@amacapital.net wrote:
A quick grep of the kernel tree finds exactly zero code paths incrementing i_mmap_writable outside of mmap and fork.
Or do you mean a different kind of write ref? What am I missing here?
Sorry, I meant i_writecount.
I bet this is missing from lots of places. For example, I can't find any write_access stuff in the rdma code.
I suspect that the VM_DENYWRITE code is just generally racy.
--Andy