Re: [PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-17 Thread Peter Xu
On Wed, Jun 17, 2020 at 06:14:52PM +0200, Christian Borntraeger wrote: > > > On 17.06.20 18:06, Peter Xu wrote: > > Hi, Christian, > > > > On Wed, Jun 17, 2020 at 08:19:29AM +0200, Christian Borntraeger wrote: > >> > >> > >> On 16.06.20 18:35, Peter Xu wrote: > >>> Hi, Alexander, > >>> > >>> On

Re: [PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-17 Thread Christian Borntraeger
On 17.06.20 18:06, Peter Xu wrote: > Hi, Christian, > > On Wed, Jun 17, 2020 at 08:19:29AM +0200, Christian Borntraeger wrote: >> >> >> On 16.06.20 18:35, Peter Xu wrote: >>> Hi, Alexander, >>> >>> On Tue, Jun 16, 2020 at 05:59:33PM +0200, Alexander Gordeev wrote: > @@ -489,21 +489,7 @@

Re: [PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-17 Thread Peter Xu
Hi, Christian, On Wed, Jun 17, 2020 at 08:19:29AM +0200, Christian Borntraeger wrote: > > > On 16.06.20 18:35, Peter Xu wrote: > > Hi, Alexander, > > > > On Tue, Jun 16, 2020 at 05:59:33PM +0200, Alexander Gordeev wrote: > >>> @@ -489,21 +489,7 @@ static inline vm_fault_t do_exception(struct

Re: [PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-17 Thread Christian Borntraeger
On 16.06.20 18:35, Peter Xu wrote: > Hi, Alexander, > > On Tue, Jun 16, 2020 at 05:59:33PM +0200, Alexander Gordeev wrote: >>> @@ -489,21 +489,7 @@ static inline vm_fault_t do_exception(struct pt_regs >>> *regs, int access) >>> if (unlikely(fault & VM_FAULT_ERROR)) >>> goto

Re: [PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-16 Thread Peter Xu
Hi, Alexander, On Tue, Jun 16, 2020 at 05:59:33PM +0200, Alexander Gordeev wrote: > > @@ -489,21 +489,7 @@ static inline vm_fault_t do_exception(struct pt_regs > > *regs, int access) > > if (unlikely(fault & VM_FAULT_ERROR)) > > goto out_up; > > > > - /* > > -* Major/minor

Re: [PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-16 Thread Alexander Gordeev
On Mon, Jun 15, 2020 at 06:23:02PM -0400, Peter Xu wrote: > Use the new mm_fault_accounting() helper for page fault accounting. > > Avoid doing page fault accounting multiple times if the page fault is retried. > > CC: Heiko Carstens > CC: Vasily Gorbik > CC: Christian Borntraeger > CC:

[PATCH 19/25] mm/s390: Use mm_fault_accounting()

2020-06-15 Thread Peter Xu
Use the new mm_fault_accounting() helper for page fault accounting. Avoid doing page fault accounting multiple times if the page fault is retried. CC: Heiko Carstens CC: Vasily Gorbik CC: Christian Borntraeger CC: linux-s...@vger.kernel.org Signed-off-by: Peter Xu --- arch/s390/mm/fault.c |