On Wed, 2013-12-18 at 15:53 +0900, Joonsoo Kim wrote:
> There is a race condition if we map a same file on different processes.
> Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
> When we do mmap, we don't grab a hugetlb_instantiation_mutex, but,
> grab a mmap_sem. This
On Wed, 2013-12-18 at 15:53 +0900, Joonsoo Kim wrote:
There is a race condition if we map a same file on different processes.
Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
When we do mmap, we don't grab a hugetlb_instantiation_mutex, but,
grab a mmap_sem. This
On Tue, Dec 24, 2013 at 11:00:12PM +1100, David Gibson wrote:
> On Mon, Dec 23, 2013 at 10:05:17AM +0900, Joonsoo Kim wrote:
> > On Sun, Dec 22, 2013 at 12:58:19AM +1100, David Gibson wrote:
> > > On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
> > > > There is a race condition if we
On Tue, Dec 24, 2013 at 11:00:12PM +1100, David Gibson wrote:
On Mon, Dec 23, 2013 at 10:05:17AM +0900, Joonsoo Kim wrote:
On Sun, Dec 22, 2013 at 12:58:19AM +1100, David Gibson wrote:
On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
There is a race condition if we map a same
On Mon, Dec 23, 2013 at 10:05:17AM +0900, Joonsoo Kim wrote:
> On Sun, Dec 22, 2013 at 12:58:19AM +1100, David Gibson wrote:
> > On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
> > > There is a race condition if we map a same file on different processes.
> > > Region tracking is
On Mon, Dec 23, 2013 at 10:05:17AM +0900, Joonsoo Kim wrote:
On Sun, Dec 22, 2013 at 12:58:19AM +1100, David Gibson wrote:
On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
There is a race condition if we map a same file on different processes.
Region tracking is protected by
On Sun, Dec 22, 2013 at 12:58:19AM +1100, David Gibson wrote:
> On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
> > There is a race condition if we map a same file on different processes.
> > Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
> > When we do
On Sun, Dec 22, 2013 at 12:58:19AM +1100, David Gibson wrote:
On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
There is a race condition if we map a same file on different processes.
Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
When we do mmap, we
On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
> There is a race condition if we map a same file on different processes.
> Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
> When we do mmap, we don't grab a hugetlb_instantiation_mutex, but,
> grab a mmap_sem.
On Wed, Dec 18, 2013 at 03:53:49PM +0900, Joonsoo Kim wrote:
There is a race condition if we map a same file on different processes.
Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
When we do mmap, we don't grab a hugetlb_instantiation_mutex, but,
grab a mmap_sem.
There is a race condition if we map a same file on different processes.
Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
When we do mmap, we don't grab a hugetlb_instantiation_mutex, but,
grab a mmap_sem. This doesn't prevent other process to modify region
structure, so it
There is a race condition if we map a same file on different processes.
Region tracking is protected by mmap_sem and hugetlb_instantiation_mutex.
When we do mmap, we don't grab a hugetlb_instantiation_mutex, but,
grab a mmap_sem. This doesn't prevent other process to modify region
structure, so it
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