Hi David,
Another related point that may also need to be considered is that I think
I am correct in saying that on ARM and on the 64bit platforms, sizeof
(unsigned long long) is 16 (128bits).
Should the RedZone words be specified as __u64 not the unsigned long long
used or does the alignment need to be that of unsigned long long ?
Regards
Mark Fortescue.
On Tue, 3 Jul 2007, David Woodhouse wrote:
On Wed, 2007-07-04 at 04:27 +0100, Mark Fortescue wrote:
I tried the previous patch and it looks like it fixes the issue however
one of the test builds I did caused depmod to use up all available memory
(40M - kernel memory) before taking out the kernel with the oom killer.
At present, I do not know if it is a depmod issue or a kernel issue.
I will have to do some more tests later on to day.
That's almost certain to be an unrelated issue.
I have looked at the latest patch below and am I am still not sure about
two areas. Please take a look at my offering based on your latest
patch (included here to it will probably get mangled).
Note the change to lines 2178 to 2185. I have also changed/moved the
alignment of size (see lines 2197 to 2206) based on your changes.
The first looks correct; well spotted. The second is just cosmetic but
also seems correct. I might be inclined to make the #define
'RED_ZONE_ALIGN' and use it in the other places too.
--
dwmw2
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