On Mon, Mar 22, 2021 at 12:52:40PM +1000, Nicholas Piggin wrote:
> Excerpts from Matthew Wilcox's message of March 19, 2021 11:25 am:
> > On Fri, Mar 19, 2021 at 10:56:45AM +1100, Balbir Singh wrote:
> >> On Fri, Mar 05, 2021 at 04:18:37AM +, Matthew Wilcox (Oracle) wrote:
> >> > A struct folio
Excerpts from Matthew Wilcox's message of March 19, 2021 11:25 am:
> On Fri, Mar 19, 2021 at 10:56:45AM +1100, Balbir Singh wrote:
>> On Fri, Mar 05, 2021 at 04:18:37AM +, Matthew Wilcox (Oracle) wrote:
>> > A struct folio refers to an entire (possibly compound) page. A function
>> > which tak
On Fri, Mar 19, 2021 at 01:25:27AM +, Matthew Wilcox wrote:
> On Fri, Mar 19, 2021 at 10:56:45AM +1100, Balbir Singh wrote:
> > On Fri, Mar 05, 2021 at 04:18:37AM +, Matthew Wilcox (Oracle) wrote:
> > > A struct folio refers to an entire (possibly compound) page. A function
> > > which tak
On Fri, Mar 19, 2021 at 10:56:45AM +1100, Balbir Singh wrote:
> On Fri, Mar 05, 2021 at 04:18:37AM +, Matthew Wilcox (Oracle) wrote:
> > A struct folio refers to an entire (possibly compound) page. A function
> > which takes a struct folio argument declares that it will operate on the
> > enti
On Fri, Mar 05, 2021 at 04:18:37AM +, Matthew Wilcox (Oracle) wrote:
> A struct folio refers to an entire (possibly compound) page. A function
> which takes a struct folio argument declares that it will operate on the
> entire compound page, not just PAGE_SIZE bytes. In return, the caller
> g
On Fri, Mar 05, 2021 at 04:18:37AM +, Matthew Wilcox (Oracle) wrote:
> +/*
> + * A struct folio is either a base (order-0) page or the head page of
> + * a compound page.
> + */
Hmm. While that comment seems to be true I'm not sure it is the
essence. Maybe it should be more framed in terms o
On Sat, Mar 13, 2021 at 12:37:02PM -0800, Andrew Morton wrote:
> On Fri, 5 Mar 2021 04:18:37 + "Matthew Wilcox (Oracle)"
> wrote:
>
> > A struct folio refers to an entire (possibly compound) page. A function
> > which takes a struct folio argument declares that it will operate on the
> > e
On Fri, 5 Mar 2021 04:18:37 + "Matthew Wilcox (Oracle)"
wrote:
> A struct folio refers to an entire (possibly compound) page. A function
> which takes a struct folio argument declares that it will operate on the
> entire compound page, not just PAGE_SIZE bytes. In return, the caller
> gua
A struct folio refers to an entire (possibly compound) page. A function
which takes a struct folio argument declares that it will operate on the
entire compound page, not just PAGE_SIZE bytes. In return, the caller
guarantees that the pointer it is passing does not point to a tail page.
Signed-o
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