On Thu 22-08-19 16:26:42, Vlastimil Babka wrote:
> On 8/22/19 3:17 PM, Dave Chinner wrote:
> > On Thu, Aug 22, 2019 at 02:19:04PM +0200, Vlastimil Babka wrote:
> >> On 8/22/19 2:07 PM, Dave Chinner wrote:
> >> > On Thu, Aug 22, 2019 at 01:14:30PM +0200, Vlastimil Babka wrote:
> >> >
> >> > No,
On 8/22/19 3:17 PM, Dave Chinner wrote:
> On Thu, Aug 22, 2019 at 02:19:04PM +0200, Vlastimil Babka wrote:
>> On 8/22/19 2:07 PM, Dave Chinner wrote:
>> > On Thu, Aug 22, 2019 at 01:14:30PM +0200, Vlastimil Babka wrote:
>> >
>> > No, the problem is this (using kmalloc as a general term for
>> >
On Thu, Aug 22, 2019 at 02:19:04PM +0200, Vlastimil Babka wrote:
> On 8/22/19 2:07 PM, Dave Chinner wrote:
> > On Thu, Aug 22, 2019 at 01:14:30PM +0200, Vlastimil Babka wrote:
> >
> > No, the problem is this (using kmalloc as a general term for
> > allocation, whether it be kmalloc,
On 8/22/19 2:07 PM, Dave Chinner wrote:
> On Thu, Aug 22, 2019 at 01:14:30PM +0200, Vlastimil Babka wrote:
>
> No, the problem is this (using kmalloc as a general term for
> allocation, whether it be kmalloc, kmem_cache_alloc, alloc_page, etc)
>
>some random kernel code
>
On Thu, Aug 22, 2019 at 01:14:30PM +0200, Vlastimil Babka wrote:
> On 8/22/19 12:14 PM, Dave Chinner wrote:
> > On Thu, Aug 22, 2019 at 11:10:57AM +0200, Peter Zijlstra wrote:
> >>
> >> Ah, current_gfp_context() already seems to transfer PF_MEMALLOC_NOFS
> >> into the GFP flags.
> >>
> >> So are
On 8/22/19 12:14 PM, Dave Chinner wrote:
> On Thu, Aug 22, 2019 at 11:10:57AM +0200, Peter Zijlstra wrote:
>>
>> Ah, current_gfp_context() already seems to transfer PF_MEMALLOC_NOFS
>> into the GFP flags.
>>
>> So are we sure it is broken and needs mending?
>
> Well, that's what we are trying
On Thu, Aug 22, 2019 at 11:10:57AM +0200, Peter Zijlstra wrote:
> On Thu, Aug 22, 2019 at 10:51:30AM +0200, Peter Zijlstra wrote:
> > On Thu, Aug 22, 2019 at 12:59:48AM -0700, Christoph Hellwig wrote:
> > > On Thu, Aug 22, 2019 at 10:31:32AM +1000, Dave Chinner wrote:
> > > > > Btw, I think we
On Thu, Aug 22, 2019 at 10:51:30AM +0200, Peter Zijlstra wrote:
> On Thu, Aug 22, 2019 at 12:59:48AM -0700, Christoph Hellwig wrote:
> > On Thu, Aug 22, 2019 at 10:31:32AM +1000, Dave Chinner wrote:
> > > > Btw, I think we should eventually kill off KM_NOFS and just use
> > > > PF_MEMALLOC_NOFS in
On Thu, Aug 22, 2019 at 12:59:48AM -0700, Christoph Hellwig wrote:
> On Thu, Aug 22, 2019 at 10:31:32AM +1000, Dave Chinner wrote:
> > > Btw, I think we should eventually kill off KM_NOFS and just use
> > > PF_MEMALLOC_NOFS in XFS, as the interface makes so much more sense.
> > > But that's
On Thu, Aug 22, 2019 at 10:31:32AM +1000, Dave Chinner wrote:
> > Btw, I think we should eventually kill off KM_NOFS and just use
> > PF_MEMALLOC_NOFS in XFS, as the interface makes so much more sense.
> > But that's something for the future.
>
> Yeah, and it's not quite as simple as just using
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