Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-07 Thread Michael Ellerman
Andrew Morton writes: > On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins > wrote: > >> The RDMA subsystem can generate several thousand of these messages per >> second eventually leading to a kernel crash. Ratelimit these messages >> to

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-07 Thread Michael Ellerman
Andrew Morton writes: > On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins > wrote: > >> The RDMA subsystem can generate several thousand of these messages per >> second eventually leading to a kernel crash. Ratelimit these messages >> to prevent this crash. > > Well... why are all these

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-07 Thread Michal Hocko
On Fri 04-08-17 14:55:06, Doug Ledford wrote: > On Wed, 2017-08-02 at 14:17 -0700, Andrew Morton wrote: > > On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins > com> wrote: > > > > > The RDMA subsystem can generate several thousand of these messages > > > per > > > second

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-07 Thread Michal Hocko
On Fri 04-08-17 14:55:06, Doug Ledford wrote: > On Wed, 2017-08-02 at 14:17 -0700, Andrew Morton wrote: > > On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins > com> wrote: > > > > > The RDMA subsystem can generate several thousand of these messages > > > per > > > second eventually leading to

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-04 Thread Doug Ledford
On Wed, 2017-08-02 at 14:17 -0700, Andrew Morton wrote: > On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins com> wrote: > > > The RDMA subsystem can generate several thousand of these messages > > per > > second eventually leading to a kernel crash. Ratelimit these > >

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-04 Thread Doug Ledford
On Wed, 2017-08-02 at 14:17 -0700, Andrew Morton wrote: > On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins com> wrote: > > > The RDMA subsystem can generate several thousand of these messages > > per > > second eventually leading to a kernel crash. Ratelimit these > > messages > > to prevent

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-02 Thread Andrew Morton
On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins wrote: > The RDMA subsystem can generate several thousand of these messages per > second eventually leading to a kernel crash. Ratelimit these messages > to prevent this crash. Well... why are all these EBUSY's occurring?

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-02 Thread Andrew Morton
On Wed, 2 Aug 2017 13:44:57 -0400 Jonathan Toppins wrote: > The RDMA subsystem can generate several thousand of these messages per > second eventually leading to a kernel crash. Ratelimit these messages > to prevent this crash. Well... why are all these EBUSY's occurring? It sounds

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-02 Thread Doug Ledford
On Wed, 2017-08-02 at 13:44 -0400, Jonathan Toppins wrote: > The RDMA subsystem can generate several thousand of these messages > per > second eventually leading to a kernel crash. Ratelimit these messages > to prevent this crash. > > Signed-off-by: Jonathan Toppins >

Re: [PATCH] mm: ratelimit PFNs busy info message

2017-08-02 Thread Doug Ledford
On Wed, 2017-08-02 at 13:44 -0400, Jonathan Toppins wrote: > The RDMA subsystem can generate several thousand of these messages > per > second eventually leading to a kernel crash. Ratelimit these messages > to prevent this crash. > > Signed-off-by: Jonathan Toppins > Reviewed-by: Doug Ledford

[PATCH] mm: ratelimit PFNs busy info message

2017-08-02 Thread Jonathan Toppins
The RDMA subsystem can generate several thousand of these messages per second eventually leading to a kernel crash. Ratelimit these messages to prevent this crash. Signed-off-by: Jonathan Toppins Reviewed-by: Doug Ledford Tested-by: Doug Ledford

[PATCH] mm: ratelimit PFNs busy info message

2017-08-02 Thread Jonathan Toppins
The RDMA subsystem can generate several thousand of these messages per second eventually leading to a kernel crash. Ratelimit these messages to prevent this crash. Signed-off-by: Jonathan Toppins Reviewed-by: Doug Ledford Tested-by: Doug Ledford --- mm/page_alloc.c | 2 +- 1 file changed, 1