On Tue 10-04-18 13:48:37, Andrew Morton wrote:
> On Tue, 10 Apr 2018 08:33:57 +0200 Michal Hocko wrote:
>
> > > Reported-by: Wang Long
> > > Signed-off-by: Greg Thelen
> > > Change-Id: Ibb773e8045852978f6207074491d262f1b3fb613
> >
> > Not a stable material IMHO
>
> Why's that? Wang Long said
On Tue, Apr 10, 2018 at 1:38 PM Andrew Morton
wrote:
> On Mon, 9 Apr 2018 17:59:08 -0700 Greg Thelen wrote:
> > lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if
> > the page's memcg is undergoing move accounting, which occurs when a
> > process leaves its memcg for a ne
On Tue, Apr 10, 2018 at 1:15 AM Wang Long wrote:
> > lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if
> > the page's memcg is undergoing move accounting, which occurs when a
> > process leaves its memcg for a new one that has
> > memory.move_charge_at_immigrate set.
> >
>
On Tue, 10 Apr 2018 08:33:57 +0200 Michal Hocko wrote:
> > Reported-by: Wang Long
> > Signed-off-by: Greg Thelen
> > Change-Id: Ibb773e8045852978f6207074491d262f1b3fb613
>
> Not a stable material IMHO
Why's that? Wang Long said he's observed the deadlock three times?
On Mon, 9 Apr 2018 17:59:08 -0700 Greg Thelen wrote:
> lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if
> the page's memcg is undergoing move accounting, which occurs when a
> process leaves its memcg for a new one that has
> memory.move_charge_at_immigrate set.
>
> unlo
lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if
the page's memcg is undergoing move accounting, which occurs when a
process leaves its memcg for a new one that has
memory.move_charge_at_immigrate set.
unlocked_inode_to_wb_begin,end() use spin_lock_irq/spin_unlock_irq() if
On Mon 09-04-18 17:59:08, Greg Thelen wrote:
> lock_page_memcg()/unlock_page_memcg() use spin_lock_irqsave/restore() if
> the page's memcg is undergoing move accounting, which occurs when a
> process leaves its memcg for a new one that has
> memory.move_charge_at_immigrate set.
>
> unlocked_inode_
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