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 u
> 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
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 bigg
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 i
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 intende
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 int
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 ar
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