[Bug 64091] backports build error

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=64091

Hauke Mehrtens <hauke@hauke-m.de> changed:

           What    |Removed                     |Added
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                 CC|                            |hauke@hauke-m.de

--- Comment #2 from Hauke Mehrtens <hauke@hauke-m.de> ---
I looked into these error messages and I do not know my you get them. On our
test build with kernel 2.6.27.62 we haven't seen such an error, but this was
done with gcc-4.7.3.

Is it correct that you have a 2.6.27.57 kernel? What gcc version are you using?

For the first error in bitmap.h:145:

bitmap.h:
#include <linux/bitops.h>
#include <linux/kernel.h>
...
int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);

bitops.h
#define BITS_TO_LONGS(nr)    DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))

kernel.h:
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))


You kernel.h is modified for me the include for types.h is in line 3, in your
error message it is in line 13.

Please post the first 25 lines of your kernel.h

You haven't installed the Module.symvers which is needed, this is probably
provided by some kernel development package.

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