Re: linux-image-2.6.28-1-amd64 is _huuuuge_

[maximilian attems <max@stro.at>]

On Mon, 02 Mar 2009, Miles Bader wrote:

> Miles Bader <miles@gnu.org> writes:
> >> Previous debian kernel packages were kind of big but the recent
> >> packaging of 2.6.28 is _much_ bigger --
> >
> > Something very suspicious about those sizes too: the size of the .debs
> > for those versions is actually more or less the same, seeming to only
> > reflect the sort of natural growth you'd expect with the version bump:
> 
> A bit more poking around, and the problem seems to the that the
> "__this_module" symbol in each kernel module has suddenly grown from
> about 4KB to about 64KB.  Is this a bug...?
> 
>    $ size /lib/modules/2.6.26-1-amd64/kernel/drivers/net/8139cp.ko
>       text    data     bss     dec     hex filename
>      17144    5600       0   22744    58d8 /lib/modules/2.6.26-1-amd64/kernel/drivers/net/8139cp.ko
>    $ size /lib/modules/2.6.28-1-amd64/kernel/drivers/net/8139cp.ko
>       text    data     bss     dec     hex filename
>      18216   66896       0   85112   14c78 /lib/modules/2.6.28-1-amd64/kernel/drivers/net/8139cp.ko
> 
>    $ readelf -s /lib/modules/2.6.26-1-amd64/kernel/drivers/net/8139cp.ko|grep _this_module
>       102: 0000000000000000  4736 OBJECT  GLOBAL DEFAULT   23 __this_module
>    $ readelf -s /lib/modules/2.6.28-1-amd64/kernel/drivers/net/8139cp.ko|grep _this_module
>       101: 0000000000000000 66048 OBJECT  GLOBAL DEFAULT   23 __this_module

this is fixed for 2.6.29, as we won't release with 2.6.28 not worth
more speculations.
it poped up due to:
/boot/config-2.6.27-1-amd64:CONFIG_NR_CPUS=32
/boot/config-2.6.28-1-amd64:CONFIG_NR_CPUS=512

-- 
maks