On Tue, Aug 28, 2018 at 03:27:27PM -0700, Matthew Wilcox wrote:
> I find myself caught between two traditions.
>
> On the one hand, the radix tree has been calling the page cache dirty &
> writeback bits "tags" for over a decade.
>
> On the other hand, using some of the bits _in a pointer_ as a t
Hi,
On 2018/8/29 6:27, Matthew Wilcox wrote:
> I find myself caught between two traditions.
>
> On the one hand, the radix tree has been calling the page cache dirty &
> writeback bits "tags" for over a decade.
>
> On the other hand, using some of the bits _in a pointer_ as a tag has been
> common
On 08/28/2018 04:03 PM, Matthew Wilcox wrote:
> On Tue, Aug 28, 2018 at 03:39:01PM -0700, Randy Dunlap wrote:
>> Just a question, please...
>>
>> On 08/28/2018 03:27 PM, Matthew Wilcox wrote:
>>>
>>> diff --git a/include/linux/xarray.h b/include/linux/xarray.h
>>> index c74556ea4258..d1b383f3063f 1
On Tue, Aug 28, 2018 at 03:39:01PM -0700, Randy Dunlap wrote:
> Just a question, please...
>
> On 08/28/2018 03:27 PM, Matthew Wilcox wrote:
> >
> > diff --git a/include/linux/xarray.h b/include/linux/xarray.h
> > index c74556ea4258..d1b383f3063f 100644
> > --- a/include/linux/xarray.h
> > +++ b/
Just a question, please...
On 08/28/2018 03:27 PM, Matthew Wilcox wrote:
>
> diff --git a/include/linux/xarray.h b/include/linux/xarray.h
> index c74556ea4258..d1b383f3063f 100644
> --- a/include/linux/xarray.h
> +++ b/include/linux/xarray.h
> @@ -150,6 +150,54 @@ static inline int xa_err(void *e
I find myself caught between two traditions.
On the one hand, the radix tree has been calling the page cache dirty &
writeback bits "tags" for over a decade.
On the other hand, using some of the bits _in a pointer_ as a tag has been
common practice since at least the 1960s.
https://en.wikipedia
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