On Tue, Jan 17, 2023 at 6:44 PM Matthew Wilcox wrote:
>
> On Tue, Jan 17, 2023 at 05:06:57PM -0800, Suren Baghdasaryan wrote:
> > On Tue, Jan 17, 2023 at 7:47 AM Michal Hocko wrote:
> > >
> > > On Mon 09-01-23 12:53:23, Suren Baghdasaryan wrote:
> > > > Introduce lock_vma_under_rcu function to
On Tue, Jan 17, 2023 at 05:06:57PM -0800, Suren Baghdasaryan wrote:
> On Tue, Jan 17, 2023 at 7:47 AM Michal Hocko wrote:
> >
> > On Mon 09-01-23 12:53:23, Suren Baghdasaryan wrote:
> > > Introduce lock_vma_under_rcu function to lookup and lock a VMA during
> > > page fault handling. When VMA is
On Tue, Jan 17, 2023 at 7:47 AM Michal Hocko wrote:
>
> On Mon 09-01-23 12:53:23, Suren Baghdasaryan wrote:
> > Introduce lock_vma_under_rcu function to lookup and lock a VMA during
> > page fault handling. When VMA is not found, can't be locked or changes
> > after being locked, the function
* Jann Horn [230117 16:04]:
> On Mon, Jan 9, 2023 at 9:54 PM Suren Baghdasaryan wrote:
> > Introduce lock_vma_under_rcu function to lookup and lock a VMA during
> > page fault handling. When VMA is not found, can't be locked or changes
> > after being locked, the function returns NULL. The
On Mon, Jan 9, 2023 at 9:54 PM Suren Baghdasaryan wrote:
> Introduce lock_vma_under_rcu function to lookup and lock a VMA during
> page fault handling. When VMA is not found, can't be locked or changes
> after being locked, the function returns NULL. The lookup is performed
> under RCU protection
On Mon 09-01-23 12:53:23, Suren Baghdasaryan wrote:
> Introduce lock_vma_under_rcu function to lookup and lock a VMA during
> page fault handling. When VMA is not found, can't be locked or changes
> after being locked, the function returns NULL. The lookup is performed
> under RCU protection to
Introduce lock_vma_under_rcu function to lookup and lock a VMA during
page fault handling. When VMA is not found, can't be locked or changes
after being locked, the function returns NULL. The lookup is performed
under RCU protection to prevent the found VMA from being destroyed before
the VMA lock