Adam Litke wrote:
>> We didn't want to bloat the size of the vm_ops struct for all of its
>> users.
On Thu, Mar 22, 2007 at 10:02:07AM +1100, Nick Piggin wrote:
> But vmas are surely far more numerous than vm_ops, aren't they?
It should be clarified that the pointer to the operations structure
in
Christoph Hellwig wrote:
On Wed, Mar 21, 2007 at 10:17:40AM -0500, Adam Litke wrote:
Also, it is going to be hugepage-only, isn't it? So should the naming be
changed to reflect that? And #ifdef it...
They are doing some interesting things on Cell that could take advantage
of this.
That wou
Adam Litke wrote:
On Wed, 2007-03-21 at 15:18 +1100, Nick Piggin wrote:
Adam Litke wrote:
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 60e0e4a..7089323 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -98,6 +98,7 @@ struct vm_area_struct {
/* Function pointe
On Wed, Mar 21, 2007 at 10:17:40AM -0500, Adam Litke wrote:
> > Also, it is going to be hugepage-only, isn't it? So should the naming be
> > changed to reflect that? And #ifdef it...
>
> They are doing some interesting things on Cell that could take advantage
> of this.
That would be new to me.
On Wed, 2007-03-21 at 15:18 +1100, Nick Piggin wrote:
> Adam Litke wrote:
> > Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
> > ---
> >
> > include/linux/mm.h | 25 +
> > 1 files changed, 25 insertions(+), 0 deletions(-)
> >
> > diff --git a/include/linux/mm.h b/include
On Wed, 2007-03-21 at 09:50 -0500, Adam Litke wrote:
> On Tue, 2007-03-20 at 16:24 -0700, Dave Hansen wrote:
> > On Mon, 2007-03-19 at 13:05 -0700, Adam Litke wrote:
> > >
> > > +#define has_pt_op(vma, op) \
> > > + ((vma)->pagetable_ops && (vma)->pagetable_ops->op)
> > > +#define pt_op(vma,
On Tue, 2007-03-20 at 16:24 -0700, Dave Hansen wrote:
> On Mon, 2007-03-19 at 13:05 -0700, Adam Litke wrote:
> >
> > +#define has_pt_op(vma, op) \
> > + ((vma)->pagetable_ops && (vma)->pagetable_ops->op)
> > +#define pt_op(vma, call) \
> > + ((vma)->pagetable_ops->call)
>
> Can you g
William Lee Irwin III wrote:
>> I'm tied up elsewhere so I won't get to it in a timely fashion. Maybe
>> in a few weeks I can start up on the first two of the bunch.
On Wed, Mar 21, 2007 at 05:51:23PM +1100, Nick Piggin wrote:
> Care to give us a hint? :)
The first is something DISM-like. I've no
Nick Piggin wrote:
Yeah you could, but it looks back to front to me.
The VM tells the filesystem that the machine took a fault at virtual
address X, then the filesystem asks the VM what pgoff that is, then
tells the VM to install the corresponding page to vaddr X.
With my ->fault, the VM asks
William Lee Irwin III wrote:
William Lee Irwin III wrote:
ISTR potential ppc64 users coming out of the woodwork for something I
didn't recognize the name of, but I may be confusing that with your
patch. I can implement additional users (and useful ones at that)
needing this in particular if des
William Lee Irwin III wrote:
>> ISTR potential ppc64 users coming out of the woodwork for something I
>> didn't recognize the name of, but I may be confusing that with your
>> patch. I can implement additional users (and useful ones at that)
>> needing this in particular if desired.
On Wed, Mar 21
William Lee Irwin III wrote:
Adam Litke wrote:
struct vm_operations_struct * vm_ops;
+ const struct pagetable_operations_struct * pagetable_ops;
On Wed, Mar 21, 2007 at 03:18:30PM +1100, Nick Piggin wrote:
Can you remind me why this isn't in vm_ops?
Also, it is going to be hu
Adam Litke wrote:
>> struct vm_operations_struct * vm_ops;
>> +const struct pagetable_operations_struct * pagetable_ops;
On Wed, Mar 21, 2007 at 03:18:30PM +1100, Nick Piggin wrote:
> Can you remind me why this isn't in vm_ops?
> Also, it is going to be hugepage-only, isn't it? So should
Adam Litke wrote:
Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
---
include/linux/mm.h | 25 +
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 60e0e4a..7089323 100644
--- a/include/linux/mm.h
+++ b/include/l
On Mon, 2007-03-19 at 13:05 -0700, Adam Litke wrote:
>
> +#define has_pt_op(vma, op) \
> + ((vma)->pagetable_ops && (vma)->pagetable_ops->op)
> +#define pt_op(vma, call) \
> + ((vma)->pagetable_ops->call)
Can you get rid of these macros? I think they make it a wee bit harder
to read
Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
---
include/linux/mm.h | 25 +
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 60e0e4a..7089323 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -98,6
On (19/02/07 22:29), Christoph Hellwig didst pronounce:
> On Mon, Feb 19, 2007 at 10:31:34AM -0800, Adam Litke wrote:
> > Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
> > ---
> >
> > include/linux/mm.h | 25 +
> > 1 files changed, 25 insertions(+), 0 deletions(-)
> >
>
On Mon, Feb 19, 2007 at 10:31:34AM -0800, Adam Litke wrote:
> Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
> ---
>
> include/linux/mm.h | 25 +
> 1 files changed, 25 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 2d2c08d.
On Mon, Feb 19, 2007 at 10:31:34AM -0800, Adam Litke wrote:
> +struct pagetable_operations_struct {
> + int (*fault)(struct mm_struct *mm,
> + struct vm_area_struct *vma,
> + unsigned long address, int write_access);
> + int (*copy_vma)(struct mm_struct *dst, struct
On Mon, 2007-02-19 at 19:41 +0100, Arjan van de Ven wrote:
> On Mon, 2007-02-19 at 10:31 -0800, Adam Litke wrote:
> > Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
> > ---
> >
> > include/linux/mm.h | 25 +
> > 1 files changed, 25 insertions(+), 0 deletions(-)
> >
> > d
On Mon, 2007-02-19 at 10:31 -0800, Adam Litke wrote:
> Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
> ---
>
> include/linux/mm.h | 25 +
> 1 files changed, 25 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 2d2c08d..a2fa66
Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
---
include/linux/mm.h | 25 +
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 2d2c08d..a2fa66d 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -98,6
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