On Sun, Jun 21, 2020 at 01:42:05PM -0400, Qian Cai wrote:
> On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > fs_reclaim_acquire/release nicely catch recursion issues when
> > allocating GFP_KERNEL memory against shrinkers (which gpu drivers tend
> > to use to keep the excessive
> On Jun 23, 2020, at 6:13 PM, Daniel Vetter wrote:
>
> Ok I tested this. I can't use your script to repro because
> - I don't have a setup with xfs, and the splat points at an issue in xfs
> - reproducing lockdep splats in shrinker callbacks is always a bit tricky
What’s xfs setup are you
On Wed, Jun 24, 2020 at 12:31 AM Dave Chinner wrote:
>
> On Sun, Jun 21, 2020 at 01:42:05PM -0400, Qian Cai wrote:
> > On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > > fs_reclaim_acquire/release nicely catch recursion issues when
> > > allocating GFP_KERNEL memory against
On Tue, Jun 23, 2020 at 6:18 PM Qian Cai wrote:
>
> On Sun, Jun 21, 2020 at 10:01:03PM +0200, Daniel Vetter wrote:
> > On Sun, Jun 21, 2020 at 08:07:08PM +0200, Daniel Vetter wrote:
> > > On Sun, Jun 21, 2020 at 7:42 PM Qian Cai wrote:
> > > >
> > > > On Wed, Jun 10, 2020 at 09:41:01PM +0200,
On Sun, Jun 21, 2020 at 10:01:03PM +0200, Daniel Vetter wrote:
> On Sun, Jun 21, 2020 at 08:07:08PM +0200, Daniel Vetter wrote:
> > On Sun, Jun 21, 2020 at 7:42 PM Qian Cai wrote:
> > >
> > > On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > > > fs_reclaim_acquire/release nicely
On Sun, Jun 21, 2020 at 10:01:03PM +0200, Daniel Vetter wrote:
> On Sun, Jun 21, 2020 at 08:07:08PM +0200, Daniel Vetter wrote:
> > On Sun, Jun 21, 2020 at 7:42 PM Qian Cai wrote:
> > >
> > > On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > > > fs_reclaim_acquire/release nicely
On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> fs_reclaim_acquire/release nicely catch recursion issues when
> allocating GFP_KERNEL memory against shrinkers (which gpu drivers tend
> to use to keep the excessive caches in check). For mmu notifier
> recursions we do have lockdep
On Sun, Jun 21, 2020 at 08:07:08PM +0200, Daniel Vetter wrote:
> On Sun, Jun 21, 2020 at 7:42 PM Qian Cai wrote:
> >
> > On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > > fs_reclaim_acquire/release nicely catch recursion issues when
> > > allocating GFP_KERNEL memory against
On Sun, Jun 21, 2020 at 7:42 PM Qian Cai wrote:
>
> On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> > fs_reclaim_acquire/release nicely catch recursion issues when
> > allocating GFP_KERNEL memory against shrinkers (which gpu drivers tend
> > to use to keep the excessive caches
On Wed, Jun 10, 2020 at 09:41:01PM +0200, Daniel Vetter wrote:
> fs_reclaim_acquire/release nicely catch recursion issues when
> allocating GFP_KERNEL memory against shrinkers (which gpu drivers tend
> to use to keep the excessive caches in check). For mmu notifier
> recursions we do have lockdep
fs_reclaim_acquire/release nicely catch recursion issues when
allocating GFP_KERNEL memory against shrinkers (which gpu drivers tend
to use to keep the excessive caches in check). For mmu notifier
recursions we do have lockdep annotations since 23b68395c7c7
("mm/mmu_notifiers: add a lockdep map
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