Hi,
Martin Wilck wrote:
> Hum - is there no simple way to determine whether a pointer is
> a valid pointer to something returned by __get_free_pages ()? You are
> right, S390 in particular seems to allow arbitrary addresses starting from
> 0.
M68k does so too, although the first page is never
> PAGE_OFFSET definitely works for me, but a quick scan of the headers
> suggests that non-sun3 m68k builds define PAGE_OFFSET as 0, as does
> s390.
Hum - is there no simple way to determine whether a pointer is
a valid pointer to something returned by __get_free_pages ()? You are
right, S390
At 10:07 AM +0200 2001-06-27, Martin Wilck wrote:
>On Tue, 26 Jun 2001, Jonathan Lundell wrote:
>
>> I use the hack myself, to implement a record-oriented file where the
>> file position is a record number. I could probably live with
>> PAGE_SIZE, but the current hack works fine with start
On Tue, 26 Jun 2001, Jonathan Lundell wrote:
> I use the hack myself, to implement a record-oriented file where the
> file position is a record number. I could probably live with
> PAGE_SIZE, but the current hack works fine with start bigger than
> that, and it's possible that someone counts on
On Tue, 26 Jun 2001, Jonathan Lundell wrote:
I use the hack myself, to implement a record-oriented file where the
file position is a record number. I could probably live with
PAGE_SIZE, but the current hack works fine with start bigger than
that, and it's possible that someone counts on it.
At 10:07 AM +0200 2001-06-27, Martin Wilck wrote:
On Tue, 26 Jun 2001, Jonathan Lundell wrote:
I use the hack myself, to implement a record-oriented file where the
file position is a record number. I could probably live with
PAGE_SIZE, but the current hack works fine with start bigger than
PAGE_OFFSET definitely works for me, but a quick scan of the headers
suggests that non-sun3 m68k builds define PAGE_OFFSET as 0, as does
s390.
Hum - is there no simple way to determine whether a pointer is
a valid pointer to something returned by __get_free_pages ()? You are
right, S390 in
Hi,
Martin Wilck wrote:
Hum - is there no simple way to determine whether a pointer is
a valid pointer to something returned by __get_free_pages ()? You are
right, S390 in particular seems to allow arbitrary addresses starting from
0.
M68k does so too, although the first page is never used
On Tue, 26 Jun 2001, Martin Wilck wrote:
> Hi,
>
> > Shhh ;-) Last time that hack was mentioned, someone wanted to _remove_
> > it. It's a very nice little hack to have around, and IKD uses it.
>
> I am not saying it should be removed. But IMO it is a legitimate (if
> not the originally
At 7:14 PM +0200 2001-06-26, Martin Wilck wrote:
>Hi,
>
>> Shhh ;-) Last time that hack was mentioned, someone wanted to _remove_
>> it. It's a very nice little hack to have around, and IKD uses it.
>
>I am not saying it should be removed. But IMO it is a legitimate (if
>not the originally
Hi,
> Shhh ;-) Last time that hack was mentioned, someone wanted to _remove_
> it. It's a very nice little hack to have around, and IKD uses it.
I am not saying it should be removed. But IMO it is a legitimate (if
not the originally intended) use of "start" to serve as a pointer to
a memory
Hi,
Shhh ;-) Last time that hack was mentioned, someone wanted to _remove_
it. It's a very nice little hack to have around, and IKD uses it.
I am not saying it should be removed. But IMO it is a legitimate (if
not the originally intended) use of start to serve as a pointer to
a memory area
At 7:14 PM +0200 2001-06-26, Martin Wilck wrote:
Hi,
Shhh ;-) Last time that hack was mentioned, someone wanted to _remove_
it. It's a very nice little hack to have around, and IKD uses it.
I am not saying it should be removed. But IMO it is a legitimate (if
not the originally intended)
On Tue, 26 Jun 2001, Martin Wilck wrote:
Hi,
Shhh ;-) Last time that hack was mentioned, someone wanted to _remove_
it. It's a very nice little hack to have around, and IKD uses it.
I am not saying it should be removed. But IMO it is a legitimate (if
not the originally intended) use
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