On 2023/12/12 22:28, Mina Almasry wrote:
...
>>
>> the page_ref_*() API may be avoided using the below patch:
>> https://patchwork.kernel.org/project/netdevbpf/patch/20231113130041.58124-7-linyunsh...@huawei.com/
>>
>
> Even after the patch above, you're still calling page_ref_count() in
> the p
On Sun, Dec 10, 2023 at 8:04 PM Mina Almasry wrote:
>
> On Sun, Dec 10, 2023 at 6:26 PM Mina Almasry wrote:
> >
> > On Sun, Dec 10, 2023 at 6:04 PM Yunsheng Lin wrote:
> > >
> > > On 2023/12/9 0:05, Mina Almasry wrote:
> > > > On Fri, Dec 8, 2023 at 1:30 AM Yunsheng Lin
> > > > wrote:
> > > >>
On Tue, Dec 12, 2023 at 3:17 AM Yunsheng Lin wrote:
>
> On 2023/12/12 2:14, Mina Almasry wrote:
> > On Mon, Dec 11, 2023 at 3:51 AM Yunsheng Lin wrote:
> >>
> >> On 2023/12/11 12:04, Mina Almasry wrote:
> >>> On Sun, Dec 10, 2023 at 6:26 PM Mina Almasry
> >>> wrote:
>
> On Sun, Dec 10
On 2023/12/12 2:14, Mina Almasry wrote:
> On Mon, Dec 11, 2023 at 3:51 AM Yunsheng Lin wrote:
>>
>> On 2023/12/11 12:04, Mina Almasry wrote:
>>> On Sun, Dec 10, 2023 at 6:26 PM Mina Almasry wrote:
On Sun, Dec 10, 2023 at 6:04 PM Yunsheng Lin
wrote:
>
> On 2023/12/9 0:05,
On Mon, Dec 11, 2023 at 3:51 AM Yunsheng Lin wrote:
>
> On 2023/12/11 12:04, Mina Almasry wrote:
> > On Sun, Dec 10, 2023 at 6:26 PM Mina Almasry wrote:
> >>
> >> On Sun, Dec 10, 2023 at 6:04 PM Yunsheng Lin
> >> wrote:
> >>>
> >>> On 2023/12/9 0:05, Mina Almasry wrote:
> On Fri, Dec 8, 20
On 2023/12/11 12:04, Mina Almasry wrote:
> On Sun, Dec 10, 2023 at 6:26 PM Mina Almasry wrote:
>>
>> On Sun, Dec 10, 2023 at 6:04 PM Yunsheng Lin wrote:
>>>
>>> On 2023/12/9 0:05, Mina Almasry wrote:
On Fri, Dec 8, 2023 at 1:30 AM Yunsheng Lin wrote:
>
>
> As mentioned before, i
On Sun, Dec 10, 2023 at 6:26 PM Mina Almasry wrote:
>
> On Sun, Dec 10, 2023 at 6:04 PM Yunsheng Lin wrote:
> >
> > On 2023/12/9 0:05, Mina Almasry wrote:
> > > On Fri, Dec 8, 2023 at 1:30 AM Yunsheng Lin
> > > wrote:
> > >>
> > >>
> > >> As mentioned before, it seems we need to have the above
On Sun, Dec 10, 2023 at 6:04 PM Yunsheng Lin wrote:
>
> On 2023/12/9 0:05, Mina Almasry wrote:
> > On Fri, Dec 8, 2023 at 1:30 AM Yunsheng Lin wrote:
> >>
> >>
> >> As mentioned before, it seems we need to have the above checking every
> >> time we need to do some per-page handling in page_pool c
On 2023/12/9 0:05, Mina Almasry wrote:
> On Fri, Dec 8, 2023 at 1:30 AM Yunsheng Lin wrote:
>>
>>
>> As mentioned before, it seems we need to have the above checking every
>> time we need to do some per-page handling in page_pool core, is there
>> a plan in your mind how to remove those kind of ch
On Fri, Dec 8, 2023 at 1:30 AM Yunsheng Lin wrote:
>
>
> As mentioned before, it seems we need to have the above checking every
> time we need to do some per-page handling in page_pool core, is there
> a plan in your mind how to remove those kind of checking in the future?
>
I see 2 ways to remov
On 2023/12/8 8:52, Mina Almasry wrote:
> Overload the LSB of struct page* to indicate that it's a page_pool_iov.
>
> Refactor mm calls on struct page* into helpers, and add page_pool_iov
> handling on those helpers. Modify callers of these mm APIs with calls to
> these helpers instead.
>
> In are
Overload the LSB of struct page* to indicate that it's a page_pool_iov.
Refactor mm calls on struct page* into helpers, and add page_pool_iov
handling on those helpers. Modify callers of these mm APIs with calls to
these helpers instead.
In areas where struct page* is dereferenced, add a check fo
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