Matt Mackall wrote:
> I was counting from the top down.
>
Bottom-up is better; that way the levels don't change for 2,3,4 level
pagetables.
J
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On Thu, Apr 19, 2007 at 02:37:53PM -0700, Jeremy Fitzhardinge wrote:
> Matt Mackall wrote:
> > Haven't thought a huge amount about that. Perhaps it's best done with
> > the level 3 callback?
> >
>
> Level 2, I think, assuming you count the pte pages as level 1. I think
> it can be dealt with,
Matt Mackall wrote:
> Haven't thought a huge amount about that. Perhaps it's best done with
> the level 3 callback?
>
Level 2, I think, assuming you count the pte pages as level 1. I think
it can be dealt with, so long as it correctly skips level 1 callbacks
for superpages, and does the test a
On Thu, Apr 19, 2007 at 12:44:57PM -0700, Jeremy Fitzhardinge wrote:
> Matt Mackall wrote:
> > I think adding a flags field and an allocate flag to my callback
> > struct would be sufficient here.
> >
>
> Yes, probably.
>
> What about something that wants to shatter superpages?
Haven't though
Matt Mackall wrote:
> I think adding a flags field and an allocate flag to my callback
> struct would be sufficient here.
>
Yes, probably.
What about something that wants to shatter superpages?
> The syntax is horrible, but I don't think we end up using the
> resultant type enough to justify
On Wed, Apr 04, 2007 at 11:52:57PM -0700, Jeremy Fitzhardinge wrote:
> Matt Mackall wrote:
> >> +/*
> >> + * Scan a region of virtual memory, filling in page tables as necessary
> >> + * and calling a provided function on each leaf page table.
> >> + */
> >>
> >
> > But I'm not sure what the u
Matt Mackall wrote:
>> +/*
>> + * Scan a region of virtual memory, filling in page tables as necessary
>> + * and calling a provided function on each leaf page table.
>> + */
>>
>
> But I'm not sure what the use case is that wants filling in the page
> table..? If both modes really make sense,
On Wed, Apr 04, 2007 at 12:12:11PM -0700, Jeremy Fitzhardinge wrote:
> Add a new mm function apply_to_page_range() which applies a given
> function to every pte in a given virtual address range in a given mm
> structure. This is a generic alternative to cut-and-pasting the Linux
> idiomatic pagetab
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