On Thu, Nov 22, 2018 at 04:35:58PM +0100, Vlastimil Babka wrote:
> >> I think I don't understand this comment :( Do you want to avoid waking
> >> up kswapd from steal_suitable_fallback() (introduced above) for
> >> allocations without __GFP_KSWAPD_RECLAIM? But returning 0 here means
> >> actually
On Thu, Nov 22, 2018 at 04:35:58PM +0100, Vlastimil Babka wrote:
> >> I think I don't understand this comment :( Do you want to avoid waking
> >> up kswapd from steal_suitable_fallback() (introduced above) for
> >> allocations without __GFP_KSWAPD_RECLAIM? But returning 0 here means
> >> actually
On 11/22/18 4:04 PM, Mel Gorman wrote:
> On Thu, Nov 22, 2018 at 02:53:08PM +0100, Vlastimil Babka wrote:
>>
>> So the reason I was wondering about movable vs unmovable fallbacks here
>> is that movable fallbacks are ok as they can be migrated later, but the
>> unmovable/reclaimable not, which is
On 11/22/18 4:04 PM, Mel Gorman wrote:
> On Thu, Nov 22, 2018 at 02:53:08PM +0100, Vlastimil Babka wrote:
>>
>> So the reason I was wondering about movable vs unmovable fallbacks here
>> is that movable fallbacks are ok as they can be migrated later, but the
>> unmovable/reclaimable not, which is
On Thu, Nov 22, 2018 at 02:53:08PM +0100, Vlastimil Babka wrote:
> > 1-socket Skylake machine
> > config-global-dhp__workload_thpfioscale XFS (no special madvise)
> > 4 fio threads, 1 THP allocating thread
> > --
> >
> > 4.20-rc1 extfrag events < order 9:
On Thu, Nov 22, 2018 at 02:53:08PM +0100, Vlastimil Babka wrote:
> > 1-socket Skylake machine
> > config-global-dhp__workload_thpfioscale XFS (no special madvise)
> > 4 fio threads, 1 THP allocating thread
> > --
> >
> > 4.20-rc1 extfrag events < order 9:
On 11/21/18 11:14 AM, Mel Gorman wrote:
> An external fragmentation event was previously described as
>
> When the page allocator fragments memory, it records the event using
> the mm_page_alloc_extfrag event. If the fallback_order is smaller
> than a pageblock order (order-9 on
On 11/21/18 11:14 AM, Mel Gorman wrote:
> An external fragmentation event was previously described as
>
> When the page allocator fragments memory, it records the event using
> the mm_page_alloc_extfrag event. If the fallback_order is smaller
> than a pageblock order (order-9 on
An external fragmentation event was previously described as
When the page allocator fragments memory, it records the event using
the mm_page_alloc_extfrag event. If the fallback_order is smaller
than a pageblock order (order-9 on 64-bit x86) then it's considered
an event that will
An external fragmentation event was previously described as
When the page allocator fragments memory, it records the event using
the mm_page_alloc_extfrag event. If the fallback_order is smaller
than a pageblock order (order-9 on 64-bit x86) then it's considered
an event that will
An external fragmentation event was previously described as
When the page allocator fragments memory, it records the event using
the mm_page_alloc_extfrag event. If the fallback_order is smaller
than a pageblock order (order-9 on 64-bit x86) then it's considered
an event that will
An external fragmentation event was previously described as
When the page allocator fragments memory, it records the event using
the mm_page_alloc_extfrag event. If the fallback_order is smaller
than a pageblock order (order-9 on 64-bit x86) then it's considered
an event that will
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