On 25/06/2024 15:06, Matthew Wilcox wrote:
> On Tue, Jun 25, 2024 at 02:41:18PM +0100, Ryan Roberts wrote:
>> On 25/06/2024 14:06, Matthew Wilcox wrote:
>>> On Tue, Jun 25, 2024 at 01:41:02PM +0100, Ryan Roberts wrote:
On 25/06/2024 13:37, Baolin Wang wrote:
[...]
>>> For ot
On Tue, Jun 25, 2024 at 02:41:18PM +0100, Ryan Roberts wrote:
> On 25/06/2024 14:06, Matthew Wilcox wrote:
> > On Tue, Jun 25, 2024 at 01:41:02PM +0100, Ryan Roberts wrote:
> >> On 25/06/2024 13:37, Baolin Wang wrote:
> >>
> >> [...]
> >>
> > For other filesystems, like ext4, I did not found th
On 25/06/2024 14:06, Matthew Wilcox wrote:
> On Tue, Jun 25, 2024 at 01:41:02PM +0100, Ryan Roberts wrote:
>> On 25/06/2024 13:37, Baolin Wang wrote:
>>
>> [...]
>>
> For other filesystems, like ext4, I did not found the logic to determin
> what
> size of folio to allocate in writable
On Tue, Jun 25, 2024 at 01:41:02PM +0100, Ryan Roberts wrote:
> On 25/06/2024 13:37, Baolin Wang wrote:
>
> [...]
>
> >>> For other filesystems, like ext4, I did not found the logic to determin
> >>> what
> >>> size of folio to allocate in writable mmap() path
> >>
> >> Yes I'd be keen to unders
On 25/06/2024 13:37, Baolin Wang wrote:
[...]
>>> For other filesystems, like ext4, I did not found the logic to determin what
>>> size of folio to allocate in writable mmap() path
>>
>> Yes I'd be keen to understand this to. When I was doing contpte, page cache
>> would only allocate large folio
On 2024/6/25 19:40, Ryan Roberts wrote:
On 25/06/2024 08:23, Baolin Wang wrote:
On 2024/6/25 11:16, Kefeng Wang wrote:
On 2024/6/24 23:56, Ryan Roberts wrote:
+ Baolin Wang and Yin Fengwei, who maybe able to help with this.
Hi Kefeng,
Thanks for the report!
On 24/06/2024 15:30, Kef
On 2024/6/25 15:23, Baolin Wang wrote:
On 2024/6/25 11:16, Kefeng Wang wrote:
On 2024/6/24 23:56, Ryan Roberts wrote:
+ Baolin Wang and Yin Fengwei, who maybe able to help with this.
Hi Kefeng,
Thanks for the report!
On 24/06/2024 15:30, Kefeng Wang wrote:
Hi Ryan,
A big regressio
On 25/06/2024 08:23, Baolin Wang wrote:
>
>
> On 2024/6/25 11:16, Kefeng Wang wrote:
>>
>>
>> On 2024/6/24 23:56, Ryan Roberts wrote:
>>> + Baolin Wang and Yin Fengwei, who maybe able to help with this.
>>>
>>>
>>> Hi Kefeng,
>>>
>>> Thanks for the report!
>>>
>>>
>>> On 24/06/2024 15:30, Kefeng
On 2024/6/25 11:16, Kefeng Wang wrote:
On 2024/6/24 23:56, Ryan Roberts wrote:
+ Baolin Wang and Yin Fengwei, who maybe able to help with this.
Hi Kefeng,
Thanks for the report!
On 24/06/2024 15:30, Kefeng Wang wrote:
Hi Ryan,
A big regression on page-fault3("Separate file shared map
On 2024/6/24 23:56, Ryan Roberts wrote:
+ Baolin Wang and Yin Fengwei, who maybe able to help with this.
Hi Kefeng,
Thanks for the report!
On 24/06/2024 15:30, Kefeng Wang wrote:
Hi Ryan,
A big regression on page-fault3("Separate file shared mapping page
fault") testcase from will-it-sc
+ Baolin Wang and Yin Fengwei, who maybe able to help with this.
Hi Kefeng,
Thanks for the report!
On 24/06/2024 15:30, Kefeng Wang wrote:
> Hi Ryan,
>
> A big regression on page-fault3("Separate file shared mapping page
> fault") testcase from will-it-scale on arm64, no issue on x86,
>
> ./
Hi Ryan,
A big regression on page-fault3("Separate file shared mapping page
fault") testcase from will-it-scale on arm64, no issue on x86,
./page_fault3_processes -t 128 -s 5
1) large folio disabled on ext4:
92378735
2) large folio enabled on ext4 + CONTPTE enabled
16164943
3) large fol
On Thu, Feb 15, 2024 at 10:32:05AM +, Ryan Roberts wrote:
> There are situations where a change to a single PTE could cause the
> contpte block in which it resides to become foldable (i.e. could be
> repainted with the contiguous bit). Such situations arise, for example,
> when user space tempo
On Thu, Feb 15, 2024 at 10:32:05AM +, Ryan Roberts wrote:
> There are situations where a change to a single PTE could cause the
> contpte block in which it resides to become foldable (i.e. could be
> repainted with the contiguous bit). Such situations arise, for example,
> when user space tempo
There are situations where a change to a single PTE could cause the
contpte block in which it resides to become foldable (i.e. could be
repainted with the contiguous bit). Such situations arise, for example,
when user space temporarily changes protections, via mprotect, for
individual pages, such c
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