On Mon, Jul 29, 2013 at 11:53:05AM -0700, Davidlohr Bueso wrote:
> On Mon, 2013-07-29 at 14:31 +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 Mon, Jul 29, 2013 at 04:58:57PM +0800, Hillf Danton wrote:
> On Mon, Jul 29, 2013 at 1:31 PM, 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 Mon, Jul 29, 2013 at 04:58:57PM +0800, Hillf Danton wrote:
On Mon, Jul 29, 2013 at 1:31 PM, Joonsoo Kim iamjoonsoo@lge.com 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
On Mon, Jul 29, 2013 at 11:53:05AM -0700, Davidlohr Bueso wrote:
On Mon, 2013-07-29 at 14:31 +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
On Mon, 2013-07-29 at 14:31 +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 Mon, Jul 29, 2013 at 1:31 PM, 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 Mon, Jul 29, 2013 at 1:31 PM, Joonsoo Kim iamjoonsoo@lge.com 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
On Mon, 2013-07-29 at 14:31 +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
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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