On 2/4/21 11:53 AM, Jason Gunthorpe wrote:
On Wed, Feb 03, 2021 at 03:00:01PM -0800, John Hubbard wrote:
+static inline void compound_next(unsigned long i, unsigned long npages,
+struct page **list, struct page **head,
+unsigned int
On Wed, Feb 03, 2021 at 03:00:01PM -0800, John Hubbard wrote:
> > +static inline void compound_next(unsigned long i, unsigned long npages,
> > +struct page **list, struct page **head,
> > +unsigned int *ntails)
> > +{
> > + if (i >= npages)
On 2/4/21 11:27 AM, Joao Martins wrote:
> On 2/3/21 11:00 PM, John Hubbard wrote:
>> On 2/3/21 2:00 PM, Joao Martins wrote:
>>> Add an helper that iterates over head pages in a list of pages. It
>>> essentially counts the tails until the next page to process has a
>>> different head that the curren
On 2/3/21 11:00 PM, John Hubbard wrote:
> On 2/3/21 2:00 PM, Joao Martins wrote:
>> Add an helper that iterates over head pages in a list of pages. It
>> essentially counts the tails until the next page to process has a
>> different head that the current. This is going to be used by
>> unpin_user_p
On 2/3/21 2:00 PM, Joao Martins wrote:
Add an helper that iterates over head pages in a list of pages. It
essentially counts the tails until the next page to process has a
different head that the current. This is going to be used by
unpin_user_pages() family of functions, to batch the head page r
Add an helper that iterates over head pages in a list of pages. It
essentially counts the tails until the next page to process has a
different head that the current. This is going to be used by
unpin_user_pages() family of functions, to batch the head page refcount
updates once for all passed conse
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