Re: 2.6.18-rc3-mm2

From: Balbir Singh
Date: Mon Aug 07 2006 - 10:11:27 EST

Michal Piotrowski wrote:

On 07/08/06, Balbir Singh <balbir@xxxxxxxxxx> wrote:
Michal Piotrowski wrote:
> Hi,
> On 06/08/06, Andrew Morton <akpm@xxxxxxxx> wrote:

> I get this error during the build.
> kernel/built-in.o: In function `bacct_add_tsk':
> /usr/src/linux-mm/kernel/tsacct.c:39: undefined reference to `__divdi3'
> make[1]: *** [.tmp_vmlinux1] Error 1
> make: *** [_all] Error 2
> I'll try with CONFIG_TASKSTATS disabled.
> Regards,
> Michal

Sounds likes we are trying to do a 64 bit division since timespec_to_ns()
returns a 64 bit value.

Here's a compile tested patch to fix the problem

It doesn't apply
cat patches/tsacct1.patch | patch -p1 --dry-run
patching file kernel/tsacct.c
Hunk #1 FAILED at 36.
1 out of 1 hunk FAILED -- saving rejects to file kernel/tsacct.c.rej

Andrew's csa-basic-accounting-over-taskstats-fix.patch fix compilation problem.

Yeah, thats it! I did not see the fix in mm-commits.

Thanks for pointing to the fix.


Balbir Singh,
Linux Technology Center,
IBM Software Labs
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